diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 17e860aee4..c1555132df 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1089,6 +1089,32 @@ admin/views/dashboard.vue:
   disableRegistration: "Disable new user registration"
   disableLocalTimeline: "Disable the local timeline"
 
+admin/views/charts.vue:
+  title: "チャート"
+  per-day: "1日ごと"
+  per-hour: "1時間ごと"
+  federation: "フェデレーション"
+  notes: "投稿"
+  users: "ユーザー"
+  drive: "ドライブ"
+  network: "ネットワーク"
+  charts:
+    federation-instances: "インスタンスの増減"
+    federation-instances-total: "インスタンスの積算"
+    notes: "投稿の増減 (統合)"
+    local-notes: "投稿の増減 (ローカル)"
+    remote-notes: "投稿の増減 (リモート)"
+    notes-total: "投稿の積算"
+    users: "ユーザーの増減"
+    users-total: "ユーザーの積算"
+    drive: "ドライブ使用量の増減"
+    drive-total: "ドライブ使用量の積算"
+    drive-files: "ドライブのファイル数の増減"
+    drive-files-total: "ドライブのファイル数の積算"
+    network-requests: "リクエスト"
+    network-time: "応答時間"
+    network-usage: "通信量"
+
 admin/views/users.vue:
   suspend-user: "ユーザーの凍結"
   suspend: "凍結"
diff --git a/src/client/app/admin/views/charts.vue b/src/client/app/admin/views/charts.vue
new file mode 100644
index 0000000000..13eb1f85e2
--- /dev/null
+++ b/src/client/app/admin/views/charts.vue
@@ -0,0 +1,429 @@
+<template>
+<div class="qvgidhudpqhjttdhxubzuyrhyzgslujw">
+	<header>
+		<b>%i18n:@title%:</b>
+		<select v-model="src">
+			<optgroup label="%i18n:@federation%">
+				<option value="federation-instances">%i18n:@charts.federation-instances%</option>
+				<option value="federation-instances-total">%i18n:@charts.federation-instances-total%</option>
+			</optgroup>
+			<optgroup label="%i18n:@users%">
+				<option value="users">%i18n:@charts.users%</option>
+				<option value="users-total">%i18n:@charts.users-total%</option>
+			</optgroup>
+			<optgroup label="%i18n:@notes%">
+				<option value="notes">%i18n:@charts.notes%</option>
+				<option value="local-notes">%i18n:@charts.local-notes%</option>
+				<option value="remote-notes">%i18n:@charts.remote-notes%</option>
+				<option value="notes-total">%i18n:@charts.notes-total%</option>
+			</optgroup>
+			<optgroup label="%i18n:@drive%">
+				<option value="drive-files">%i18n:@charts.drive-files%</option>
+				<option value="drive-files-total">%i18n:@charts.drive-files-total%</option>
+				<option value="drive">%i18n:@charts.drive%</option>
+				<option value="drive-total">%i18n:@charts.drive-total%</option>
+			</optgroup>
+			<optgroup label="%i18n:@network%">
+				<option value="network-requests">%i18n:@charts.network-requests%</option>
+				<option value="network-time">%i18n:@charts.network-time%</option>
+				<option value="network-usage">%i18n:@charts.network-usage%</option>
+			</optgroup>
+		</select>
+		<div>
+			<span @click="span = 'day'" :class="{ active: span == 'day' }">%i18n:@per-day%</span> | <span @click="span = 'hour'" :class="{ active: span == 'hour' }">%i18n:@per-hour%</span>
+		</div>
+	</header>
+	<div ref="chart"></div>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import * as ApexCharts from 'apexcharts';
+
+const limit = 60;
+
+const sum = (...arr) => arr.reduce((r, a) => r.map((b, i) => a[i] + b));
+const negate = arr => arr.map(x => -x);
+
+export default Vue.extend({
+	data() {
+		return {
+			chart: null,
+			src: 'notes',
+			span: 'hour',
+			chartInstance: null
+		};
+	},
+
+	computed: {
+		data(): any {
+			if (this.chart == null) return null;
+			switch (this.src) {
+				case 'federation-instances': return this.federationInstancesChart(false);
+				case 'federation-instances-total': return this.federationInstancesChart(true);
+				case 'users': return this.usersChart(false);
+				case 'users-total': return this.usersChart(true);
+				case 'notes': return this.notesChart('combined');
+				case 'local-notes': return this.notesChart('local');
+				case 'remote-notes': return this.notesChart('remote');
+				case 'notes-total': return this.notesTotalChart();
+				case 'drive': return this.driveChart();
+				case 'drive-total': return this.driveTotalChart();
+				case 'drive-files': return this.driveFilesChart();
+				case 'drive-files-total': return this.driveFilesTotalChart();
+				case 'network-requests': return this.networkRequestsChart();
+				case 'network-time': return this.networkTimeChart();
+				case 'network-usage': return this.networkUsageChart();
+			}
+		},
+
+		stats(): any[] {
+			const stats =
+				this.span == 'day' ? this.chart.perDay :
+				this.span == 'hour' ? this.chart.perHour :
+				null;
+
+			return stats;
+		}
+	},
+
+	watch: {
+		src() {
+			this.render();
+		},
+
+		span() {
+			this.render();
+		}
+	},
+
+	async mounted() {
+		this.now = new Date();
+
+		const [perHour, perDay] = await Promise.all([Promise.all([
+			(this as any).api('charts/federation', { limit: limit, span: 'hour' }),
+			(this as any).api('charts/users', { limit: limit, span: 'hour' }),
+			(this as any).api('charts/notes', { limit: limit, span: 'hour' }),
+			(this as any).api('charts/drive', { limit: limit, span: 'hour' }),
+			(this as any).api('charts/network', { limit: limit, span: 'hour' })
+		]), Promise.all([
+			(this as any).api('charts/federation', { limit: limit, span: 'day' }),
+			(this as any).api('charts/users', { limit: limit, span: 'day' }),
+			(this as any).api('charts/notes', { limit: limit, span: 'day' }),
+			(this as any).api('charts/drive', { limit: limit, span: 'day' }),
+			(this as any).api('charts/network', { limit: limit, span: 'day' })
+		])]);
+
+		const chart = {
+			perHour: {
+				federation: perHour[0],
+				users: perHour[1],
+				notes: perHour[2],
+				drive: perHour[3],
+				network: perHour[4]
+			},
+			perDay: {
+				federation: perDay[0],
+				users: perDay[1],
+				notes: perDay[2],
+				drive: perDay[3],
+				network: perDay[4]
+			}
+		};
+
+		this.chart = chart;
+
+		this.render();
+	},
+
+	methods: {
+		render() {
+			if (this.chartInstance) {
+				this.chartInstance.destroy();
+			}
+
+			this.chartInstance = new ApexCharts(this.$refs.chart, Object.assign({
+				chart: {
+					type: 'area',
+					height: 300,
+					animations: {
+						dynamicAnimation: {
+							enabled: false
+						}
+					},
+					toolbar: {
+						show: false
+					}
+				},
+				dataLabels: {
+					enabled: false
+				},
+				grid: {
+					clipMarkers: false,
+				},
+				stroke: {
+					curve: 'straight',
+					width: 2
+				},
+				xaxis: {
+					type: 'datetime'
+				},
+				yaxis: {
+				}
+			}, this.data));
+
+			this.chartInstance.render();
+		},
+
+		getDate(i: number) {
+			const y = this.now.getFullYear();
+			const m = this.now.getMonth();
+			const d = this.now.getDate();
+			const h = this.now.getHours();
+
+			return (
+				this.span == 'day' ? new Date(y, m, d - i) :
+				this.span == 'hour' ? new Date(y, m, d, h - i) :
+				null
+			);
+		},
+
+		format(arr) {
+			return arr.map((v, i) => ({ x: this.getDate(i).getTime(), y: v }));
+		},
+
+		federationInstancesChart(total: boolean): any {
+			return {
+				series: [{
+					data: this.format(total
+						? this.stats.federation.instance.total
+						: sum(this.stats.federation.instance.inc, negate(this.stats.federation.instance.dec))
+					)
+				}]
+			};
+		},
+
+		notesChart(type: string): any {
+			return {
+				series: [{
+					name: 'All',
+					data: this.format(type == 'combined'
+						? sum(this.stats.notes.local.inc, negate(this.stats.notes.local.dec), this.stats.notes.remote.inc, negate(this.stats.notes.remote.dec))
+						: sum(this.stats.notes[type].inc, negate(this.stats.notes[type].dec))
+					)
+				}, {
+					name: 'Renotes',
+					data: this.format(type == 'combined'
+						? sum(this.stats.notes.local.diffs.renote, this.stats.notes.remote.diffs.renote)
+						: this.stats.notes[type].diffs.renote
+					)
+				}, {
+					name: 'Replies',
+					data: this.format(type == 'combined'
+						? sum(this.stats.notes.local.diffs.reply, this.stats.notes.remote.diffs.reply)
+						: this.stats.notes[type].diffs.reply
+					)
+				}, {
+					name: 'Normal',
+					data: this.format(type == 'combined'
+						? sum(this.stats.notes.local.diffs.normal, this.stats.notes.remote.diffs.normal)
+						: this.stats.notes[type].diffs.normal
+					)
+				}]
+			};
+		},
+
+		notesTotalChart(): any {
+			return {
+				series: [{
+					name: 'Combined',
+					data: this.format(sum(this.stats.notes.local.total, this.stats.notes.remote.total))
+				}, {
+					name: 'Local',
+					data: this.format(this.stats.notes.local.total)
+				}, {
+					name: 'Remote',
+					data: this.format(this.stats.notes.remote.total)
+				}]
+			};
+		},
+
+		usersChart(total: boolean): any {
+			return {
+				series: [{
+					name: 'Combined',
+					data: this.format(total
+						? sum(this.stats.users.local.total, this.stats.users.remote.total)
+						: sum(this.stats.users.local.inc, negate(this.stats.users.local.dec), this.stats.users.remote.inc, negate(this.stats.users.remote.dec))
+					)
+				}, {
+					name: 'Local',
+					data: this.format(total
+						? this.stats.users.local.total
+						: sum(this.stats.users.local.inc, negate(this.stats.users.local.dec))
+					)
+				}, {
+					name: 'Remote',
+					data: this.format(total
+						? this.stats.users.remote.total
+						: sum(this.stats.users.remote.inc, negate(this.stats.users.remote.dec))
+					)
+				}]
+			};
+		},
+
+		driveChart(): any {
+			return {
+				series: [{
+					name: 'All',
+					data: this.format(
+						sum(
+							this.stats.drive.local.incSize,
+							negate(this.stats.drive.local.decSize),
+							this.stats.drive.remote.incSize,
+							negate(this.stats.drive.remote.decSize)
+						)
+					)
+				}, {
+					name: 'Local +',
+					data: this.format(this.stats.drive.local.incSize)
+				}, {
+					name: 'Local -',
+					data: this.format(negate(this.stats.drive.local.decSize))
+				}, {
+					name: 'Remote +',
+					data: this.format(this.stats.drive.remote.incSize)
+				}, {
+					name: 'Remote -',
+					data: this.format(negate(this.stats.drive.remote.decSize))
+				}]
+			};
+		},
+
+		driveTotalChart(): any {
+			return {
+				series: [{
+					name: 'Combined',
+					data: this.format(sum(this.stats.drive.local.totalSize, this.stats.drive.remote.totalSize))
+				}, {
+					name: 'Local',
+					data: this.format(this.stats.drive.local.totalSize)
+				}, {
+					name: 'Remote',
+					data: this.format(this.stats.drive.remote.totalSize)
+				}]
+			};
+		},
+
+		driveFilesChart(): any {
+			return {
+				series: [{
+					name: 'All',
+					data: this.format(
+						sum(
+							this.stats.drive.local.incCount,
+							negate(this.stats.drive.local.decCount),
+							this.stats.drive.remote.incCount,
+							negate(this.stats.drive.remote.decCount)
+						)
+					)
+				}, {
+					name: 'Local +',
+					data: this.format(this.stats.drive.local.incCount)
+				}, {
+					name: 'Local -',
+					data: this.format(negate(this.stats.drive.local.decCount))
+				}, {
+					name: 'Remote +',
+					data: this.format(this.stats.drive.remote.incCount)
+				}, {
+					name: 'Remote -',
+					data: this.format(negate(this.stats.drive.remote.decCount))
+				}]
+			};
+		},
+
+		driveFilesTotalChart(): any {
+			return {
+				series: [{
+					name: 'Combined',
+					data: this.format(sum(this.stats.drive.local.totalCount, this.stats.drive.remote.totalCount))
+				}, {
+					name: 'Local',
+					data: this.format(this.stats.drive.local.totalCount)
+				}, {
+					name: 'Remote',
+					data: this.format(this.stats.drive.remote.totalCount)
+				}]
+			};
+		},
+
+		networkRequestsChart(): any {
+			return {
+				series: [{
+					name: 'Incoming',
+					data: this.format(this.stats.network.incomingRequests)
+				}]
+			};
+		},
+
+		networkTimeChart(): any {
+			const data = [];
+
+			for (let i = 0; i < limit; i++) {
+				data.push(this.stats.network.incomingRequests[i] != 0 ? (this.stats.network.totalTime[i] / this.stats.network.incomingRequests[i]) : 0);
+			}
+
+			return {
+				series: [{
+					name: 'Avg time',
+					data: this.format(data)
+				}]
+			};
+		},
+
+		networkUsageChart(): any {
+			return {
+				series: [{
+					name: 'Incoming',
+					data: this.format(this.stats.network.incomingBytes)
+				}, {
+					name: 'Outgoing',
+					data: this.format(this.stats.network.outgoingBytes)
+				}]
+			};
+		},
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+.qvgidhudpqhjttdhxubzuyrhyzgslujw
+	display block
+	flex 1
+	padding 32px
+	padding-bottom 8px
+	box-shadow 0 2px 4px rgba(0, 0, 0, 0.1)
+	background var(--face)
+	border-radius 8px
+
+	> header
+		display flex
+		padding 0 0 8px 0
+		font-size 1em
+		color #555
+		border-bottom solid 1px #eee
+
+		> b
+			margin-right 8px
+
+		> *:last-child
+			margin-left auto
+
+			*
+				&:not(.active)
+					color var(--primary)
+					cursor pointer
+
+</style>
diff --git a/src/client/app/admin/views/dashboard.vue b/src/client/app/admin/views/dashboard.vue
index a48d184cf3..8926d0fed5 100644
--- a/src/client/app/admin/views/dashboard.vue
+++ b/src/client/app/admin/views/dashboard.vue
@@ -51,6 +51,10 @@
 		</div>
 	</div>
 
+	<div class="charts">
+		<x-charts/>
+	</div>
+
 	<div class="cpu-memory">
 		<x-cpu-memory :connection="connection"/>
 	</div>
@@ -60,10 +64,12 @@
 <script lang="ts">
 import Vue from "vue";
 import XCpuMemory from "./cpu-memory.vue";
+import XCharts from "./charts.vue";
 
 export default Vue.extend({
 	components: {
-		XCpuMemory
+		XCpuMemory,
+		XCharts
 	},
 	data() {
 		return {
@@ -144,6 +150,9 @@ export default Vue.extend({
 					font-size 70%
 					opacity 0.7
 
+	> .charts
+		margin-bottom 16px
+
 	> .cpu-memory
 		margin-bottom 16px