diff --git a/cli/migration/7.0.0.js b/cli/migration/7.0.0.js
index d40670c6c0..fa5e363db8 100644
--- a/cli/migration/7.0.0.js
+++ b/cli/migration/7.0.0.js
@@ -1,4 +1,4 @@
-const { default: Chart } = require('../../built/models/chart');
+const { default: Stats } = require('../../built/models/stats');
 const { default: User } = require('../../built/models/user');
 const { default: Note } = require('../../built/models/note');
 const { default: DriveFile } = require('../../built/models/drive-file');
@@ -80,7 +80,7 @@ async function main() {
 			return 0;
 		});
 
-	await Chart.insert({
+	await Stats.insert({
 		date: today,
 		users: {
 			local: {
diff --git a/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue b/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue
index 52bd8e7c77..3e9462f035 100644
--- a/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.notes-chart.chart.vue
@@ -29,7 +29,7 @@ import Vue from 'vue';
 
 export default Vue.extend({
 	props: {
-		data: {
+		chart: {
 			required: true
 		},
 		type: {
@@ -39,7 +39,6 @@ export default Vue.extend({
 	},
 	data() {
 		return {
-			chart: this.data,
 			viewBoxX: 365,
 			viewBoxY: 70,
 			pointsNote: null,
@@ -49,21 +48,17 @@ export default Vue.extend({
 		};
 	},
 	created() {
-		this.chart.forEach(d => {
-			d.notes = this.type == 'local' ? d.localNotes : d.remoteNotes;
-			d.replies = this.type == 'local' ? d.localReplies : d.remoteReplies;
-			d.renotes = this.type == 'local' ? d.localRenotes : d.remoteRenotes;
-		});
-
-		this.chart.forEach(d => {
-			d.total = d.notes + d.replies + d.renotes;
-		});
-
-		const peak = Math.max.apply(null, this.chart.map(d => d.total));
+		const peak = Math.max.apply(null, this.chart.map(d => this.type == 'local' ? d.notes.local.diff : d.notes.remote.diff));
 
 		if (peak != 0) {
-			const data = this.chart.slice().reverse();
-			this.pointsNote = data.map((d, i) => `${i},${(1 - (d.notes / peak)) * this.viewBoxY}`).join(' ');
+			const data = this.chart.slice().reverse().map(x => ({
+				normal: this.type == 'local' ? x.notes.local.diffs.normal : x.notes.remote.diffs.normal,
+				replies: this.type == 'local' ? x.notes.local.diffs.replies : x.notes.remote.diffs.replies,
+				renotes: this.type == 'local' ? x.notes.local.diffs.renotes : x.notes.remote.diffs.renotes,
+				total: this.type == 'local' ? x.notes.local.diff : x.notes.remote.diff
+			}));
+
+			this.pointsNote = data.map((d, i) => `${i},${(1 - (d.normal / peak)) * this.viewBoxY}`).join(' ');
 			this.pointsReply = data.map((d, i) => `${i},${(1 - (d.replies / peak)) * this.viewBoxY}`).join(' ');
 			this.pointsRenote = data.map((d, i) => `${i},${(1 - (d.renotes / peak)) * this.viewBoxY}`).join(' ');
 			this.pointsTotal = data.map((d, i) => `${i},${(1 - (d.total / peak)) * this.viewBoxY}`).join(' ');
diff --git a/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue b/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue
index 8b33e59ec3..e4d396d9c6 100644
--- a/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.notes-chart.vue
@@ -3,11 +3,11 @@
 	<header>%i18n:@title%</header>
 	<div class="card">
 		<header>%i18n:@local%</header>
-		<x-chart v-if="data" :data="data" type="local"/>
+		<x-chart v-if="chart" :chart="chart" type="local"/>
 	</div>
 	<div class="card">
 		<header>%i18n:@remote%</header>
-		<x-chart v-if="data" :data="data" type="remote"/>
+		<x-chart v-if="chart" :chart="chart" type="remote"/>
 	</div>
 </div>
 </template>
@@ -20,15 +20,10 @@ export default Vue.extend({
 	components: {
 		XChart
 	},
-	data() {
-		return {
-			data: null
-		};
-	},
-	created() {
-		(this as any).api('aggregation/notes').then(res => {
-			this.data = res;
-		});
+	props: {
+		chart: {
+			required: true
+		}
 	}
 });
 </script>
diff --git a/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue b/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue
index 10eab85279..c2ab4a78e3 100644
--- a/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.users-chart.chart.vue
@@ -13,7 +13,7 @@ import Vue from 'vue';
 
 export default Vue.extend({
 	props: {
-		data: {
+		chart: {
 			required: true
 		},
 		type: {
@@ -23,21 +23,19 @@ export default Vue.extend({
 	},
 	data() {
 		return {
-			chart: this.data,
 			viewBoxX: 365,
 			viewBoxY: 70,
 			points: null
 		};
 	},
 	created() {
-		this.chart.forEach(d => {
-			d.count = this.type == 'local' ? d.local : d.remote;
-		});
-
-		const peak = Math.max.apply(null, this.chart.map(d => d.count));
+		const peak = Math.max.apply(null, this.chart.map(d => this.type == 'local' ? d.users.local.diff : d.users.remote.diff));
 
 		if (peak != 0) {
-			const data = this.chart.slice().reverse();
+			const data = this.chart.slice().reverse().map(x => ({
+				count: this.type == 'local' ? x.users.local.diff : x.users.remote.diff
+			}));
+
 			this.points = data.map((d, i) => `${i},${(1 - (d.count / peak)) * this.viewBoxY}`).join(' ');
 		}
 	}
diff --git a/src/client/app/desktop/views/pages/admin/admin.users-chart.vue b/src/client/app/desktop/views/pages/admin/admin.users-chart.vue
index bbd342e515..e620012702 100644
--- a/src/client/app/desktop/views/pages/admin/admin.users-chart.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.users-chart.vue
@@ -3,11 +3,11 @@
 	<header>%i18n:@title%</header>
 	<div class="card">
 		<header>%i18n:@local%</header>
-		<x-chart v-if="data" :data="data" type="local"/>
+		<x-chart v-if="chart" :chart="chart" type="local"/>
 	</div>
 	<div class="card">
 		<header>%i18n:@remote%</header>
-		<x-chart v-if="data" :data="data" type="remote"/>
+		<x-chart v-if="chart" :chart="chart" type="remote"/>
 	</div>
 </div>
 </template>
@@ -20,15 +20,10 @@ export default Vue.extend({
 	components: {
 		XChart
 	},
-	data() {
-		return {
-			data: null
-		};
-	},
-	created() {
-		(this as any).api('aggregation/users').then(res => {
-			this.data = res;
-		});
+	props: {
+		chart: {
+			required: true
+		}
 	}
 });
 </script>
diff --git a/src/client/app/desktop/views/pages/admin/admin.vue b/src/client/app/desktop/views/pages/admin/admin.vue
index 7c1dace78c..add95a1a09 100644
--- a/src/client/app/desktop/views/pages/admin/admin.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.vue
@@ -11,8 +11,8 @@
 	<main>
 		<div v-show="page == 'dashboard'">
 			<x-dashboard/>
-			<x-users-chart/>
-			<x-notes-chart/>
+			<x-users-chart :chart="chart"/>
+			<x-notes-chart :chart="chart"/>
 		</div>
 		<div v-if="page == 'users'">
 			<x-suspend-user/>
@@ -48,9 +48,15 @@ export default Vue.extend({
 	},
 	data() {
 		return {
-			page: 'dashboard'
+			page: 'dashboard',
+			chart: null
 		};
 	},
+	created() {
+		(this as any).api('admin/chart').then(chart => {
+			this.chart = chart;
+		});
+	},
 	methods: {
 		nav(page: string) {
 			this.page = page;
diff --git a/src/client/app/stats/style.styl b/src/client/app/stats/style.styl
deleted file mode 100644
index 5ae230ea56..0000000000
--- a/src/client/app/stats/style.styl
+++ /dev/null
@@ -1,10 +0,0 @@
-@import "../app"
-@import "../reset"
-
-html
-	color #456267
-	background #fff
-
-body
-	margin 0
-	padding 0
diff --git a/src/client/app/stats/tags/index.tag b/src/client/app/stats/tags/index.tag
deleted file mode 100644
index f8944c0832..0000000000
--- a/src/client/app/stats/tags/index.tag
+++ /dev/null
@@ -1,209 +0,0 @@
-<mk-index>
-	<h1>Misskey<i>Statistics</i></h1>
-	<main v-if="!initializing">
-		<mk-users stats={ stats }/>
-		<mk-notes stats={ stats }/>
-	</main>
-	<footer><a href={ _URL_ }>{ _HOST_ }</a></footer>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-			margin 0 auto
-			padding 0 16px
-			max-width 700px
-
-			> h1
-				margin 0
-				padding 24px 0 0 0
-				font-size 24px
-				font-weight normal
-
-				> i
-					font-style normal
-					color #f43b16
-
-			> main
-				> *
-					margin 24px 0
-					padding-top 24px
-					border-top solid 1px #eee
-
-					> h2
-						margin 0 0 12px 0
-						font-size 18px
-						font-weight normal
-
-			> footer
-				margin 24px 0
-				text-align center
-
-				> a
-					color #546567
-	</style>
-	<script lang="typescript">
-		this.mixin('api');
-
-		this.initializing = true;
-
-		this.on('mount', () => {
-			this.$root.$data.os.api('stats').then(stats => {
-				this.update({
-					initializing: false,
-					stats
-				});
-			});
-		});
-	</script>
-</mk-index>
-
-<mk-notes>
-	<h2>%i18n:stats.notes-count% <b>{ stats.notesCount }</b></h2>
-	<mk-notes-chart v-if="!initializing" data={ data }/>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-	</style>
-	<script lang="typescript">
-		this.mixin('api');
-
-		this.initializing = true;
-		this.stats = this.opts.stats;
-
-		this.on('mount', () => {
-			this.$root.$data.os.api('aggregation/notes', {
-				limit: 365
-			}).then(data => {
-				this.update({
-					initializing: false,
-					data
-				});
-			});
-		});
-	</script>
-</mk-notes>
-
-<mk-users>
-	<h2>%i18n:stats.users-count% <b>{ stats.usersCount }</b></h2>
-	<mk-users-chart v-if="!initializing" data={ data }/>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-	</style>
-	<script lang="typescript">
-		this.mixin('api');
-
-		this.initializing = true;
-		this.stats = this.opts.stats;
-
-		this.on('mount', () => {
-			this.$root.$data.os.api('aggregation/users', {
-				limit: 365
-			}).then(data => {
-				this.update({
-					initializing: false,
-					data
-				});
-			});
-		});
-	</script>
-</mk-users>
-
-<mk-notes-chart>
-	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
-		<title>Black ... Total<br/>Blue ... Notes<br/>Red ... Replies<br/>Green ... Renotes</title>
-		<polyline
-			riot-points={ pointsNote }
-			fill="none"
-			stroke-width="1"
-			stroke="#41ddde"/>
-		<polyline
-			riot-points={ pointsReply }
-			fill="none"
-			stroke-width="1"
-			stroke="#f7796c"/>
-		<polyline
-			riot-points={ pointsRenote }
-			fill="none"
-			stroke-width="1"
-			stroke="#a1de41"/>
-		<polyline
-			riot-points={ pointsTotal }
-			fill="none"
-			stroke-width="1"
-			stroke="#555"
-			stroke-dasharray="2 2"/>
-	</svg>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-
-			> svg
-				display block
-				padding 1px
-				width 100%
-	</style>
-	<script lang="typescript">
-		this.viewBoxX = 365;
-		this.viewBoxY = 80;
-
-		this.data = this.opts.data.reverse();
-		this.data.forEach(d => d.total = d.notes + d.replies + d.renotes);
-		const peak = Math.max.apply(null, this.data.map(d => d.total));
-
-		this.on('mount', () => {
-			this.render();
-		});
-
-		this.render = () => {
-			this.update({
-				pointsNote: this.data.map((d, i) => `${i},${(1 - (d.notes / peak)) * this.viewBoxY}`).join(' '),
-				pointsReply: this.data.map((d, i) => `${i},${(1 - (d.replies / peak)) * this.viewBoxY}`).join(' '),
-				pointsRenote: this.data.map((d, i) => `${i},${(1 - (d.renotes / peak)) * this.viewBoxY}`).join(' '),
-				pointsTotal: this.data.map((d, i) => `${i},${(1 - (d.total / peak)) * this.viewBoxY}`).join(' ')
-			});
-		};
-	</script>
-</mk-notes-chart>
-
-<mk-users-chart>
-	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
-		<polyline
-			riot-points={ createdPoints }
-			fill="none"
-			stroke-width="1"
-			stroke="#1cde84"/>
-		<polyline
-			riot-points={ totalPoints }
-			fill="none"
-			stroke-width="1"
-			stroke="#555"/>
-	</svg>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-
-			> svg
-				display block
-				padding 1px
-				width 100%
-	</style>
-	<script lang="typescript">
-		this.viewBoxX = 365;
-		this.viewBoxY = 80;
-
-		this.data = this.opts.data.reverse();
-		const totalPeak = Math.max.apply(null, this.data.map(d => d.total));
-		const createdPeak = Math.max.apply(null, this.data.map(d => d.created));
-
-		this.on('mount', () => {
-			this.render();
-		});
-
-		this.render = () => {
-			this.update({
-				totalPoints: this.data.map((d, i) => `${i},${(1 - (d.total / totalPeak)) * this.viewBoxY}`).join(' '),
-				createdPoints: this.data.map((d, i) => `${i},${(1 - (d.created / createdPeak)) * this.viewBoxY}`).join(' ')
-			});
-		};
-	</script>
-</mk-users-chart>
diff --git a/src/client/app/stats/tags/index.ts b/src/client/app/stats/tags/index.ts
deleted file mode 100644
index f41151949f..0000000000
--- a/src/client/app/stats/tags/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-require('./index.tag');
diff --git a/src/client/app/status/style.styl b/src/client/app/status/style.styl
deleted file mode 100644
index 5ae230ea56..0000000000
--- a/src/client/app/status/style.styl
+++ /dev/null
@@ -1,10 +0,0 @@
-@import "../app"
-@import "../reset"
-
-html
-	color #456267
-	background #fff
-
-body
-	margin 0
-	padding 0
diff --git a/src/client/app/status/tags/index.tag b/src/client/app/status/tags/index.tag
deleted file mode 100644
index 899467097a..0000000000
--- a/src/client/app/status/tags/index.tag
+++ /dev/null
@@ -1,201 +0,0 @@
-<mk-index>
-	<h1>Misskey<i>Status</i></h1>
-	<p>%fa:info-circle%%i18n:status.all-systems-maybe-operational%</p>
-	<main>
-		<mk-cpu-usage connection={ connection }/>
-		<mk-mem-usage connection={ connection }/>
-	</main>
-	<footer><a href={ _URL_ }>{ _HOST_ }</a></footer>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-			margin 0 auto
-			padding 0 16px
-			max-width 700px
-
-			> h1
-				margin 0
-				padding 24px 0 16px 0
-				font-size 24px
-				font-weight normal
-
-				> [data-fa]
-					font-style normal
-					color #f43b16
-
-			> p
-				display block
-				margin 0
-				padding 12px 16px
-				background #eaf4ef
-				//border solid 1px #99ccb2
-				border-radius 4px
-
-				> [data-fa]
-					margin-right 5px
-
-			> main
-				> *
-					margin 24px 0
-
-					> h2
-						margin 0 0 12px 0
-						font-size 18px
-						font-weight normal
-
-			> footer
-				margin 24px 0
-				text-align center
-
-				> a
-					color #546567
-	</style>
-	<script lang="typescript">
-		import Connection from '../../common/scripts/streaming/server-stream';
-
-		this.mixin('api');
-
-		this.initializing = true;
-		this.connection = new Connection();
-
-		this.on('mount', () => {
-			this.$root.$data.os.api('meta').then(meta => {
-				this.update({
-					initializing: false,
-					meta
-				});
-			});
-		});
-
-		this.on('unmount', () => {
-			this.connection.close();
-		});
-
-	</script>
-</mk-index>
-
-<mk-cpu-usage>
-	<h2>CPU <b>{ percentage }%</b></h2>
-	<mk-line-chart ref="chart"/>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-	</style>
-	<script lang="typescript">
-		this.connection = this.opts.connection;
-
-		this.on('mount', () => {
-			this.connection.on('stats', this.onStats);
-		});
-
-		this.on('unmount', () => {
-			this.connection.off('stats', this.onStats);
-		});
-
-		this.onStats = stats => {
-			this.$refs.chart.addData(1 - stats.cpu_usage);
-
-			const percentage = (stats.cpu_usage * 100).toFixed(0);
-
-			this.update({
-				percentage
-			});
-		};
-	</script>
-</mk-cpu-usage>
-
-<mk-mem-usage>
-	<h2>MEM <b>{ percentage }%</b></h2>
-	<mk-line-chart ref="chart"/>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-	</style>
-	<script lang="typescript">
-		this.connection = this.opts.connection;
-
-		this.on('mount', () => {
-			this.connection.on('stats', this.onStats);
-		});
-
-		this.on('unmount', () => {
-			this.connection.off('stats', this.onStats);
-		});
-
-		this.onStats = stats => {
-			stats.mem.used = stats.mem.total - stats.mem.free;
-			this.$refs.chart.addData(1 - (stats.mem.used / stats.mem.total));
-
-			const percentage = (stats.mem.used / stats.mem.total * 100).toFixed(0);
-
-			this.update({
-				percentage
-			});
-		};
-	</script>
-</mk-mem-usage>
-
-<mk-line-chart>
-	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
-		<defs>
-			<linearGradient id={ gradientId } x1="0" x2="0" y1="1" y2="0">
-				<stop offset="0%" stop-color="rgba(244, 59, 22, 0)"></stop>
-				<stop offset="100%" stop-color="#f43b16"></stop>
-			</linearGradient>
-			<mask id={ maskId } x="0" y="0" riot-width={ viewBoxX } riot-height={ viewBoxY }>
-				<polygon
-					riot-points={ polygonPoints }
-					fill="#fff"
-					fill-opacity="0.5"/>
-			</mask>
-		</defs>
-		<line x1="0" y1="0" riot-x2={ viewBoxX } y2="0" stroke="rgba(255, 255, 255, 0.1)" stroke-width="0.25" stroke-dasharray="1"/>
-		<line x1="0" y1="25%" riot-x2={ viewBoxX } y2="25%" stroke="rgba(255, 255, 255, 0.1)" stroke-width="0.25" stroke-dasharray="1"/>
-		<line x1="0" y1="50%" riot-x2={ viewBoxX } y2="50%" stroke="rgba(255, 255, 255, 0.1)" stroke-width="0.25" stroke-dasharray="1"/>
-		<line x1="0" y1="75%" riot-x2={ viewBoxX } y2="75%" stroke="rgba(255, 255, 255, 0.1)" stroke-width="0.25" stroke-dasharray="1"/>
-		<line x1="0" y1="100%" riot-x2={ viewBoxX } y2="100%" stroke="rgba(255, 255, 255, 0.1)" stroke-width="0.25" stroke-dasharray="1"/>
-		<rect
-			x="-1" y="-1"
-			riot-width={ viewBoxX + 2 } riot-height={ viewBoxY + 2 }
-			style="stroke: none; fill: url(#{ gradientId }); mask: url(#{ maskId })"/>
-		<polyline
-			riot-points={ polylinePoints }
-			fill="none"
-			stroke="#f43b16"
-			stroke-width="0.5"/>
-	</svg>
-	<style lang="stylus" scoped>
-		:scope
-			display block
-			padding 16px
-			border-radius 8px
-			background #1c2531
-
-			> svg
-				display block
-				padding 1px
-				width 100%
-	</style>
-	<script lang="typescript">
-		import uuid from 'uuid';
-
-		this.viewBoxX = 100;
-		this.viewBoxY = 30;
-		this.data = [];
-		this.gradientId = uuid();
-		this.maskId = uuid();
-
-		this.addData = data => {
-			this.data.push(data);
-			if (this.data.length > 100) this.data.shift();
-
-			const polylinePoints = this.data.map((d, i) => `${this.viewBoxX - ((this.data.length - 1) - i)},${d * this.viewBoxY}`).join(' ');
-			const polygonPoints = `${this.viewBoxX - (this.data.length - 1)},${ this.viewBoxY } ${ polylinePoints } ${ this.viewBoxX },${ this.viewBoxY }`;
-
-			this.update({
-				polylinePoints,
-				polygonPoints
-			});
-		};
-	</script>
-</mk-line-chart>
diff --git a/src/client/app/status/tags/index.ts b/src/client/app/status/tags/index.ts
deleted file mode 100644
index f41151949f..0000000000
--- a/src/client/app/status/tags/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-require('./index.tag');
diff --git a/src/models/chart.ts b/src/models/stats.ts
similarity index 94%
rename from src/models/chart.ts
rename to src/models/stats.ts
index a2154be4fc..7bff475c63 100644
--- a/src/models/chart.ts
+++ b/src/models/stats.ts
@@ -1,11 +1,11 @@
 import * as mongo from 'mongodb';
 import db from '../db/mongodb';
 
-const Chart = db.get<IChart>('chart');
-Chart.createIndex('date', { unique: true });
-export default Chart;
+const Stats = db.get<IStats>('stats');
+Stats.createIndex({ date: -1 }, { unique: true });
+export default Stats;
 
-export interface IChart {
+export interface IStats {
 	_id: mongo.ObjectID;
 
 	date: Date;
diff --git a/src/server/api/endpoints/admin/chart.ts b/src/server/api/endpoints/admin/chart.ts
new file mode 100644
index 0000000000..4ad29a7015
--- /dev/null
+++ b/src/server/api/endpoints/admin/chart.ts
@@ -0,0 +1,97 @@
+import Stats, { IStats } from '../../../../models/stats';
+
+type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
+
+export const meta = {
+	requireCredential: true,
+	requireAdmin: true
+};
+
+export default (params: any) => new Promise(async (res, rej) => {
+	const now = new Date();
+	const y = now.getFullYear();
+	const m = now.getMonth();
+	const d = now.getDate();
+
+	const stats = await Stats.find({
+		date: {
+			$gt: new Date(y - 1, m, d)
+		}
+	}, {
+		sort: {
+			date: -1
+		},
+		fields: {
+			_id: 0
+		}
+	});
+
+	const chart: Array<Omit<IStats, '_id'>> = [];
+
+	for (let i = 364; i >= 0; i--) {
+		const day = new Date(y, m, d - i);
+
+		const stat = stats.find(s => s.date.getTime() == day.getTime());
+
+		if (stat) {
+			chart.push(stat);
+		} else { // 隙間埋め
+			const mostRecent = stats.find(s => s.date.getTime() < day.getTime());
+			if (mostRecent) {
+				chart.push(Object.assign({}, mostRecent, {
+					date: day
+				}));
+			} else {
+				chart.push({
+					date: day,
+					users: {
+						local: {
+							total: 0,
+							diff: 0
+						},
+						remote: {
+							total: 0,
+							diff: 0
+						}
+					},
+					notes: {
+						local: {
+							total: 0,
+							diff: 0,
+							diffs: {
+								normal: 0,
+								reply: 0,
+								renote: 0
+							}
+						},
+						remote: {
+							total: 0,
+							diff: 0,
+							diffs: {
+								normal: 0,
+								reply: 0,
+								renote: 0
+							}
+						}
+					},
+					drive: {
+						local: {
+							totalCount: 0,
+							totalSize: 0,
+							diffCount: 0,
+							diffSize: 0
+						},
+						remote: {
+							totalCount: 0,
+							totalSize: 0,
+							diffCount: 0,
+							diffSize: 0
+						}
+					}
+				});
+			}
+		}
+	}
+
+	res(chart);
+});
diff --git a/src/server/api/endpoints/aggregation/notes.ts b/src/server/api/endpoints/aggregation/notes.ts
deleted file mode 100644
index 77ed07ef4b..0000000000
--- a/src/server/api/endpoints/aggregation/notes.ts
+++ /dev/null
@@ -1,116 +0,0 @@
-import Note from '../../../../models/note';
-
-export const meta = {
-	requireCredential: true,
-	requireAdmin: true
-};
-
-/**
- * Aggregate notes
- */
-export default (params: any) => new Promise(async (res, rej) => {
-	const query = [{
-		$match: {
-			createdAt: {
-				$gt: new Date(new Date().setFullYear(new Date().getFullYear() - 1))
-			}
-		}
-	}, {
-		$project: {
-			renoteId: '$renoteId',
-			replyId: '$replyId',
-			user: '$_user',
-			createdAt: { $add: ['$createdAt', 9 * 60 * 60 * 1000] } // Convert into JST
-		}
-	}, {
-		$project: {
-			date: {
-				year: { $year: '$createdAt' },
-				month: { $month: '$createdAt' },
-				day: { $dayOfMonth: '$createdAt' }
-			},
-			type: {
-				$cond: {
-					if: { $ne: ['$renoteId', null] },
-					then: 'renote',
-					else: {
-						$cond: {
-							if: { $ne: ['$replyId', null] },
-							then: 'reply',
-							else: 'note'
-						}
-					}
-				}
-			},
-			origin: {
-				$cond: {
-					if: { $eq: ['$user.host', null] },
-					then: 'local',
-					else: 'remote'
-				}
-			}
-		}
-	}, {
-		$group: {
-			_id: {
-				date: '$date',
-				type: '$type',
-				origin: '$origin'
-			},
-			count: { $sum: 1 }
-		}
-	}, {
-		$group: {
-			_id: '$_id.date',
-			data: {
-				$addToSet: {
-					type: '$_id.type',
-					origin: '$_id.origin',
-					count: '$count'
-				}
-			}
-		}
-	}] as any;
-
-	const datas = await Note.aggregate(query);
-
-	datas.forEach((data: any) => {
-		data.date = data._id;
-		delete data._id;
-
-		data.localNotes = (data.data.filter((x: any) => x.type == 'note' && x.origin == 'local')[0] || { count: 0 }).count;
-		data.localRenotes = (data.data.filter((x: any) => x.type == 'renote' && x.origin == 'local')[0] || { count: 0 }).count;
-		data.localReplies = (data.data.filter((x: any) => x.type == 'reply' && x.origin == 'local')[0] || { count: 0 }).count;
-		data.remoteNotes = (data.data.filter((x: any) => x.type == 'note' && x.origin == 'remote')[0] || { count: 0 }).count;
-		data.remoteRenotes = (data.data.filter((x: any) => x.type == 'renote' && x.origin == 'remote')[0] || { count: 0 }).count;
-		data.remoteReplies = (data.data.filter((x: any) => x.type == 'reply' && x.origin == 'remote')[0] || { count: 0 }).count;
-
-		delete data.data;
-	});
-
-	const graph = [];
-
-	for (let i = 0; i < 365; i++) {
-		const day = new Date(new Date().setDate(new Date().getDate() - i));
-
-		const data = datas.filter((d: any) =>
-			d.date.year == day.getFullYear() && d.date.month == day.getMonth() + 1 && d.date.day == day.getDate()
-		)[0];
-
-		if (data) {
-			graph.push(data);
-		} else {
-			graph.push({
-				date: { year: day.getFullYear(), month: day.getMonth() + 1, day: day.getDate() },
-				localNotes: 0,
-				localRenotes: 0,
-				localReplies: 0,
-				remoteNotes: 0,
-				remoteRenotes: 0,
-				remoteReplies: 0
-			});
-		}
-	}
-
-	res(graph);
-});
diff --git a/src/server/api/endpoints/aggregation/users.ts b/src/server/api/endpoints/aggregation/users.ts
deleted file mode 100644
index d016484238..0000000000
--- a/src/server/api/endpoints/aggregation/users.ts
+++ /dev/null
@@ -1,92 +0,0 @@
-import User from '../../../../models/user';
-
-export const meta = {
-	requireCredential: true,
-	requireAdmin: true
-};
-
-/**
- * Aggregate users
- */
-export default (params: any) => new Promise(async (res, rej) => {
-	const query = [{
-		$match: {
-			createdAt: {
-				$gt: new Date(new Date().setFullYear(new Date().getFullYear() - 1))
-			}
-		}
-	}, {
-		$project: {
-			host: '$host',
-			createdAt: { $add: ['$createdAt', 9 * 60 * 60 * 1000] } // Convert into JST
-		}
-	}, {
-		$project: {
-			date: {
-				year: { $year: '$createdAt' },
-				month: { $month: '$createdAt' },
-				day: { $dayOfMonth: '$createdAt' }
-			},
-			origin: {
-				$cond: {
-					if: { $eq: ['$host', null] },
-					then: 'local',
-					else: 'remote'
-				}
-			}
-		}
-	}, {
-		$group: {
-			_id: {
-				date: '$date',
-				origin: '$origin'
-			},
-			count: { $sum: 1 }
-		}
-	}, {
-		$group: {
-			_id: '$_id.date',
-			data: {
-				$addToSet: {
-					type: '$_id.type',
-					origin: '$_id.origin',
-					count: '$count'
-				}
-			}
-		}
-	}] as any;
-
-	const datas = await User.aggregate(query);
-
-	datas.forEach((data: any) => {
-		data.date = data._id;
-		delete data._id;
-
-		data.local = (data.data.filter((x: any) => x.origin == 'local')[0] || { count: 0 }).count;
-		data.remote = (data.data.filter((x: any) => x.origin == 'remote')[0] || { count: 0 }).count;
-
-		delete data.data;
-	});
-
-	const graph = [];
-
-	for (let i = 0; i < 365; i++) {
-		const day = new Date(new Date().setDate(new Date().getDate() - i));
-
-		const data = datas.filter((d: any) =>
-			d.date.year == day.getFullYear() && d.date.month == day.getMonth() + 1 && d.date.day == day.getDate()
-		)[0];
-
-		if (data) {
-			graph.push(data);
-		} else {
-			graph.push({
-				date: { year: day.getFullYear(), month: day.getMonth() + 1, day: day.getDate() },
-				local: 0,
-				remote: 0
-			});
-		}
-	}
-
-	res(graph);
-});
diff --git a/src/services/update-chart.ts b/src/services/update-chart.ts
index 9175d61f74..7998baca9d 100644
--- a/src/services/update-chart.ts
+++ b/src/services/update-chart.ts
@@ -1,11 +1,11 @@
 import { INote } from '../models/note';
-import Chart, { IChart } from '../models/chart';
+import Stats, { IStats } from '../models/stats';
 import { isLocalUser, IUser } from '../models/user';
 import { IDriveFile } from '../models/drive-file';
 
 type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
 
-async function getTodayStats(): Promise<IChart> {
+async function getTodayStats(): Promise<IStats> {
 	const now = new Date();
 	const y = now.getFullYear();
 	const m = now.getMonth();
@@ -13,7 +13,7 @@ async function getTodayStats(): Promise<IChart> {
 	const today = new Date(y, m, d);
 
 	// 今日の統計
-	const todayStats = await Chart.findOne({
+	const todayStats = await Stats.findOne({
 		date: today
 	});
 
@@ -23,7 +23,7 @@ async function getTodayStats(): Promise<IChart> {
 		// * 昨日何もチャートを更新するような出来事がなかった場合は、
 		//   統計がそもそも作られずドキュメントが存在しないということがあり得るため、
 		//   「昨日の」と決め打ちせずに「もっとも最近の」とします
-		const mostRecentStats = await Chart.findOne({}, {
+		const mostRecentStats = await Stats.findOne({}, {
 			sort: {
 				date: -1
 			}
@@ -33,7 +33,7 @@ async function getTodayStats(): Promise<IChart> {
 		// * Misskeyインスタンスを建てて初めてのチャート更新時など
 		if (mostRecentStats == null) {
 			// 空の統計を作成
-			const chart: Omit<IChart, '_id'> = {
+			const chart: Omit<IStats, '_id'> = {
 				date: today,
 				users: {
 					local: {
@@ -81,12 +81,12 @@ async function getTodayStats(): Promise<IChart> {
 				}
 			};
 
-			const stats = await Chart.insert(chart);
+			const stats = await Stats.insert(chart);
 
 			return stats;
 		} else {
 			// 今日の統計を初期挿入
-			const chart: Omit<IChart, '_id'> = {
+			const chart: Omit<IStats, '_id'> = {
 				date: today,
 				users: {
 					local: {
@@ -134,7 +134,7 @@ async function getTodayStats(): Promise<IChart> {
 				}
 			};
 
-			const stats = await Chart.insert(chart);
+			const stats = await Stats.insert(chart);
 
 			return stats;
 		}
@@ -146,7 +146,7 @@ async function getTodayStats(): Promise<IChart> {
 async function update(inc: any) {
 	const stats = await getTodayStats();
 
-	await Chart.findOneAndUpdate({
+	await Stats.findOneAndUpdate({
 		_id: stats._id
 	}, {
 		$inc: inc