diff --git a/docs/setup.en.md b/docs/setup.en.md
index b6391c6780..3e48935346 100644
--- a/docs/setup.en.md
+++ b/docs/setup.en.md
@@ -25,6 +25,7 @@ Note that Misskey uses following subdomains:
 * **api**.*{primary domain}*
 * **auth**.*{primary domain}*
 * **about**.*{primary domain}*
+* **stats**.*{primary domain}*
 * **status**.*{primary domain}*
 * **dev**.*{primary domain}*
 * **file**.*{secondary domain}*
diff --git a/docs/setup.ja.md b/docs/setup.ja.md
index a770ac8c21..4f48a08088 100644
--- a/docs/setup.ja.md
+++ b/docs/setup.ja.md
@@ -26,6 +26,7 @@ Misskeyは以下のサブドメインを使います:
 * **api**.*{primary domain}*
 * **auth**.*{primary domain}*
 * **about**.*{primary domain}*
+* **stats**.*{primary domain}*
 * **status**.*{primary domain}*
 * **dev**.*{primary domain}*
 * **file**.*{secondary domain}*
diff --git a/locales/en.yml b/locales/en.yml
index a91fc5709b..55a588f99f 100644
--- a/locales/en.yml
+++ b/locales/en.yml
@@ -427,6 +427,10 @@ mobile:
       known: "You know"
       load-more: "More"
 
+stats:
+  posts-count: "Number of all posts"
+  users-count: "Number of all users"
+
 status:
   all-systems-maybe-operational: "All systems maybe operational"
   what-is-this-site: ""
diff --git a/locales/ja.yml b/locales/ja.yml
index efbc60475c..e5b2beaed1 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -428,6 +428,10 @@ mobile:
       known: "知り合い"
       load-more: "もっと"
 
+stats:
+  posts-count: "投稿の数"
+  users-count: "アカウントの数"
+
 status:
   all-systems-maybe-operational: "すべてのシステムがたぶん正常に作動しています"
   what-is-this-site: ""
diff --git a/src/api/endpoints.ts b/src/api/endpoints.ts
index bb2501c982..5bbc480a8e 100644
--- a/src/api/endpoints.ts
+++ b/src/api/endpoints.ts
@@ -69,6 +69,9 @@ const endpoints: Endpoint[] = [
 	{
 		name: 'meta'
 	},
+	{
+		name: 'stats'
+	},
 	{
 		name: 'username/available'
 	},
@@ -109,6 +112,12 @@ const endpoints: Endpoint[] = [
 		withCredential: true,
 		secure: true
 	},
+	{
+		name: 'aggregation/posts',
+	},
+	{
+		name: 'aggregation/users',
+	},
 	{
 		name: 'aggregation/users/activity',
 	},
diff --git a/src/api/endpoints/aggregation/posts.ts b/src/api/endpoints/aggregation/posts.ts
new file mode 100644
index 0000000000..573816e4fd
--- /dev/null
+++ b/src/api/endpoints/aggregation/posts.ts
@@ -0,0 +1,95 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import Post from '../../models/post';
+
+/**
+ * Aggregate posts
+ *
+ * @param {any} params
+ * @return {Promise<any>}
+ */
+module.exports = params => new Promise(async (res, rej) => {
+	// Get 'limit' parameter
+	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).$;
+	if (limitErr) return rej('invalid limit param');
+
+	const datas = await Post
+		.aggregate([
+			{ $project: {
+				repost_id: '$repost_id',
+				reply_to_id: '$reply_to_id',
+				created_at: { $add: ['$created_at', 9 * 60 * 60 * 1000] } // Convert into JST
+			}},
+			{ $project: {
+				date: {
+					year: { $year: '$created_at' },
+					month: { $month: '$created_at' },
+					day: { $dayOfMonth: '$created_at' }
+				},
+				type: {
+					$cond: {
+						if: { $ne: ['$repost_id', null] },
+						then: 'repost',
+						else: {
+							$cond: {
+								if: { $ne: ['$reply_to_id', null] },
+								then: 'reply',
+								else: 'post'
+							}
+						}
+					}
+				}}
+			},
+			{ $group: { _id: {
+				date: '$date',
+				type: '$type'
+			}, count: { $sum: 1 } } },
+			{ $group: {
+				_id: '$_id.date',
+				data: { $addToSet: {
+					type: '$_id.type',
+					count: '$count'
+				}}
+			} }
+		]);
+
+	datas.forEach(data => {
+		data.date = data._id;
+		delete data._id;
+
+		data.posts = (data.data.filter(x => x.type == 'post')[0] || { count: 0 }).count;
+		data.reposts = (data.data.filter(x => x.type == 'repost')[0] || { count: 0 }).count;
+		data.replies = (data.data.filter(x => x.type == 'reply')[0] || { count: 0 }).count;
+
+		delete data.data;
+	});
+
+	const graph = [];
+
+	for (let i = 0; i < limit; i++) {
+		const day = new Date(new Date().setDate(new Date().getDate() - i));
+
+		const data = datas.filter(d =>
+			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, // In JavaScript, month is zero-based.
+					day: day.getDate()
+				},
+				posts: 0,
+				reposts: 0,
+				replies: 0
+			});
+		}
+	}
+
+	res(graph);
+});
diff --git a/src/api/endpoints/aggregation/users.ts b/src/api/endpoints/aggregation/users.ts
new file mode 100644
index 0000000000..9be4ca12a1
--- /dev/null
+++ b/src/api/endpoints/aggregation/users.ts
@@ -0,0 +1,59 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import User from '../../models/user';
+
+/**
+ * Aggregate users
+ *
+ * @param {any} params
+ * @return {Promise<any>}
+ */
+module.exports = params => new Promise(async (res, rej) => {
+	// Get 'limit' parameter
+	const [limit = 365, limitErr] = $(params.limit).optional.number().range(1, 365).$;
+	if (limitErr) return rej('invalid limit param');
+
+	const startTime = new Date(new Date().setMonth(new Date().getMonth() - 1));
+
+	const users = await User
+		.find({
+			$or: [
+				{ deleted_at: { $exists: false } },
+				{ deleted_at: { $gt: startTime } }
+			]
+		}, {
+			_id: false,
+			created_at: true,
+			deleted_at: true
+		}, {
+			sort: { created_at: -1 }
+		});
+
+	const graph = [];
+
+	for (let i = 0; i < limit; i++) {
+		let day = new Date(new Date().setDate(new Date().getDate() - i));
+		day = new Date(day.setMilliseconds(999));
+		day = new Date(day.setSeconds(59));
+		day = new Date(day.setMinutes(59));
+		day = new Date(day.setHours(23));
+		// day = day.getTime();
+
+		const count = users.filter(f =>
+			f.created_at < day && (f.deleted_at == null || f.deleted_at > day)
+		).length;
+
+		graph.push({
+			date: {
+				year: day.getFullYear(),
+				month: day.getMonth() + 1, // In JavaScript, month is zero-based.
+				day: day.getDate()
+			},
+			count: count
+		});
+	}
+
+	res(graph);
+});
diff --git a/src/api/endpoints/stats.ts b/src/api/endpoints/stats.ts
new file mode 100644
index 0000000000..a6084cd17a
--- /dev/null
+++ b/src/api/endpoints/stats.ts
@@ -0,0 +1,48 @@
+/**
+ * Module dependencies
+ */
+import Post from '../models/post';
+import User from '../models/user';
+
+/**
+ * @swagger
+ * /stats:
+ *   post:
+ *     summary: Show the misskey's statistics
+ *     responses:
+ *       200:
+ *         description: Success
+ *         schema:
+ *           type: object
+ *           properties:
+ *             posts_count:
+ *               description: count of all posts of misskey
+ *               type: number
+ *             users_count:
+ *               description: count of all users of misskey
+ *               type: number
+ *
+ *       default:
+ *         description: Failed
+ *         schema:
+ *           $ref: "#/definitions/Error"
+ */
+
+/**
+ * Show the misskey's statistics
+ *
+ * @param {any} params
+ * @return {Promise<any>}
+ */
+module.exports = params => new Promise(async (res, rej) => {
+	const postsCount = await Post
+		.count();
+
+	const usersCount = await User
+		.count();
+
+	res({
+		posts_count: postsCount,
+		users_count: usersCount
+	});
+});
diff --git a/src/config.ts b/src/config.ts
index 53b7108fdc..8f4ada5af9 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -81,6 +81,7 @@ type Mixin = {
 	api_url: string;
 	auth_url: string;
 	about_url: string;
+	stats_url: string;
 	status_url: string;
 	dev_url: string;
 	drive_url: string;
@@ -116,6 +117,7 @@ export default function load() {
 	mixin.auth_url = `${mixin.scheme}://auth.${mixin.host}`;
 	mixin.dev_url = `${mixin.scheme}://dev.${mixin.host}`;
 	mixin.about_url = `${mixin.scheme}://about.${mixin.host}`;
+	mixin.stats_url = `${mixin.scheme}://stats.${mixin.host}`;
 	mixin.status_url = `${mixin.scheme}://status.${mixin.host}`;
 	mixin.drive_url = `${mixin.secondary_scheme}://file.${mixin.secondary_host}`;
 
diff --git a/src/web/app/common/scripts/config.js b/src/web/app/common/scripts/config.js
index d108b834bb..75a7abba29 100644
--- a/src/web/app/common/scripts/config.js
+++ b/src/web/app/common/scripts/config.js
@@ -8,6 +8,7 @@ const url = `${scheme}//${host}`;
 const apiUrl = `${scheme}//api.${host}`;
 const devUrl = `${scheme}//dev.${host}`;
 const aboutUrl = `${scheme}//about.${host}`;
+const statsUrl = `${scheme}//stats.${host}`;
 const statusUrl = `${scheme}//status.${host}`;
 
 export default {
@@ -17,5 +18,6 @@ export default {
 	apiUrl,
 	devUrl,
 	aboutUrl,
+	statsUrl,
 	statusUrl
 };
diff --git a/src/web/app/desktop/tags/home-widgets/nav.tag b/src/web/app/desktop/tags/home-widgets/nav.tag
index 16a93545a4..499d66014b 100644
--- a/src/web/app/desktop/tags/home-widgets/nav.tag
+++ b/src/web/app/desktop/tags/home-widgets/nav.tag
@@ -1,4 +1,4 @@
-<mk-nav-home-widget><a href={ CONFIG.aboutUrl }>Misskeyについて</a><i>・</i><a href={ CONFIG.statusUrl }>ステータス</a><i>・</i><a href="http://zawazawa.jp/misskey/">Wiki</a><i>・</i><a href="https://github.com/syuilo/misskey">リポジトリ</a><i>・</i><a href={ CONFIG.devUrl }>開発者</a><i>・</i><a href="https://twitter.com/misskey_xyz" target="_blank">Follow us on <i class="fa fa-twitter"></i></a>
+<mk-nav-home-widget><a href={ CONFIG.aboutUrl }>Misskeyについて</a><i>・</i><a href={ CONFIG.statsUrl }>統計</a><i>・</i><a href={ CONFIG.statusUrl }>ステータス</a><i>・</i><a href="http://zawazawa.jp/misskey/">Wiki</a><i>・</i><a href="https://github.com/syuilo/misskey">リポジトリ</a><i>・</i><a href={ CONFIG.devUrl }>開発者</a><i>・</i><a href="https://twitter.com/misskey_xyz" target="_blank">Follow us on <i class="fa fa-twitter"></i></a>
 	<style>
 		:scope
 			display block
diff --git a/src/web/app/stats/script.js b/src/web/app/stats/script.js
new file mode 100644
index 0000000000..75063501bb
--- /dev/null
+++ b/src/web/app/stats/script.js
@@ -0,0 +1,23 @@
+/**
+ * Stats
+ */
+
+// Style
+import './style.styl';
+
+import * as riot from 'riot';
+require('./tags');
+import init from '../init';
+
+document.title = 'Misskey Statistics';
+
+/**
+ * init
+ */
+init(me => {
+	mount(document.createElement('mk-index'));
+});
+
+function mount(content) {
+	riot.mount(document.getElementById('app').appendChild(content));
+}
diff --git a/src/web/app/stats/style.styl b/src/web/app/stats/style.styl
new file mode 100644
index 0000000000..b48d7aeb9e
--- /dev/null
+++ b/src/web/app/stats/style.styl
@@ -0,0 +1,9 @@
+@import "../base"
+
+html
+	color #456267
+	background #fff
+
+body
+	margin 0
+	padding 0
diff --git a/src/web/app/stats/tags/index.js b/src/web/app/stats/tags/index.js
new file mode 100644
index 0000000000..f41151949f
--- /dev/null
+++ b/src/web/app/stats/tags/index.js
@@ -0,0 +1 @@
+require('./index.tag');
diff --git a/src/web/app/stats/tags/index.tag b/src/web/app/stats/tags/index.tag
new file mode 100644
index 0000000000..015bf439de
--- /dev/null
+++ b/src/web/app/stats/tags/index.tag
@@ -0,0 +1,202 @@
+<mk-index>
+	<h1>Misskey<i>Statistics</i></h1>
+	<main if={ !initializing }>
+		<mk-users stats={ stats }/>
+		<mk-posts stats={ stats }/>
+	</main>
+	<footer><a href={ CONFIG.url }>{ CONFIG.host }</a></footer>
+	<style>
+		: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>
+		this.mixin('api');
+
+		this.initializing = true;
+
+		this.on('mount', () => {
+			this.api('stats').then(stats => {
+				this.update({
+					initializing: false,
+					stats
+				});
+			});
+		});
+	</script>
+</mk-index>
+
+<mk-posts>
+	<h2>%i18n:stats.posts-count% <b>{ stats.posts_count }</b></h2>
+	<mk-posts-chart if={ !initializing } data={ data }/>
+	<style>
+		:scope
+			display block
+	</style>
+	<script>
+		this.mixin('api');
+
+		this.initializing = true;
+		this.stats = this.opts.stats;
+
+		this.on('mount', () => {
+			this.api('aggregation/posts', {
+				limit: 365
+			}).then(data => {
+				this.update({
+					initializing: false,
+					data
+				});
+			});
+		});
+	</script>
+</mk-posts>
+
+<mk-users>
+	<h2>%i18n:stats.users-count% <b>{ stats.users_count }</b></h2>
+	<mk-users-chart if={ !initializing } data={ data }/>
+	<style>
+		:scope
+			display block
+	</style>
+	<script>
+		this.mixin('api');
+
+		this.initializing = true;
+		this.stats = this.opts.stats;
+
+		this.on('mount', () => {
+			this.api('aggregation/users', {
+				limit: 365
+			}).then(data => {
+				this.update({
+					initializing: false,
+					data
+				});
+			});
+		});
+	</script>
+</mk-users>
+
+<mk-posts-chart>
+	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
+		<title>Black ... Total<br/>Blue ... Posts<br/>Red ... Replies<br/>Green ... Reposts</title>
+		<polyline
+			riot-points={ pointsPost }
+			fill="none"
+			stroke-width="1"
+			stroke="#41ddde"/>
+		<polyline
+			riot-points={ pointsReply }
+			fill="none"
+			stroke-width="1"
+			stroke="#f7796c"/>
+		<polyline
+			riot-points={ pointsRepost }
+			fill="none"
+			stroke-width="1"
+			stroke="#a1de41"/>
+		<polyline
+			riot-points={ pointsTotal }
+			fill="none"
+			stroke-width="1"
+			stroke="#555"
+			stroke-dasharray="2 2"/>
+	</svg>
+	<style>
+		:scope
+			display block
+
+			> svg
+				display block
+				padding 1px
+				width 100%
+	</style>
+	<script>
+		this.viewBoxX = 365;
+		this.viewBoxY = 60;
+
+		this.data = this.opts.data.reverse();
+		this.data.forEach(d => d.total = d.posts + d.replies + d.reposts);
+		const peak = Math.max.apply(null, this.data.map(d => d.total));
+
+		this.on('mount', () => {
+			this.render();
+		});
+
+		this.render = () => {
+			this.update({
+				pointsPost: this.data.map((d, i) => `${i},${(1 - (d.posts / peak)) * this.viewBoxY}`).join(' '),
+				pointsReply: this.data.map((d, i) => `${i},${(1 - (d.replies / peak)) * this.viewBoxY}`).join(' '),
+				pointsRepost: this.data.map((d, i) => `${i},${(1 - (d.reposts / peak)) * this.viewBoxY}`).join(' '),
+				pointsTotal: this.data.map((d, i) => `${i},${(1 - (d.total / peak)) * this.viewBoxY}`).join(' ')
+			});
+		};
+	</script>
+</mk-posts-chart>
+
+<mk-users-chart>
+	<svg riot-viewBox="0 0 { viewBoxX } { viewBoxY }" preserveAspectRatio="none">
+		<polyline
+			riot-points={ points }
+			fill="none"
+			stroke-width="1"
+			stroke="#555"/>
+	</svg>
+	<style>
+		:scope
+			display block
+
+			> svg
+				display block
+				padding 1px
+				width 100%
+	</style>
+	<script>
+		this.viewBoxX = 365;
+		this.viewBoxY = 60;
+
+		this.data = this.opts.data.reverse();
+		const peak = Math.max.apply(null, this.data.map(d => d.count));
+
+		this.on('mount', () => {
+			this.render();
+		});
+
+		this.render = () => {
+			this.update({
+				points: this.data.map((d, i) => `${i},${(1 - (d.count / peak)) * this.viewBoxY}`).join(' ')
+			});
+		};
+	</script>
+</mk-users-chart>
diff --git a/src/web/app/status/tags/index.tag b/src/web/app/status/tags/index.tag
index 121f673d4d..07b9921abb 100644
--- a/src/web/app/status/tags/index.tag
+++ b/src/web/app/status/tags/index.tag
@@ -56,7 +56,6 @@
 		this.mixin('api');
 
 		this.initializing = true;
-		this.view = 0;
 		this.connection = new Connection();
 
 		this.on('mount', () => {
diff --git a/webpack/webpack.config.ts b/webpack/webpack.config.ts
index 7035d4bb9a..5199285d55 100644
--- a/webpack/webpack.config.ts
+++ b/webpack/webpack.config.ts
@@ -16,6 +16,7 @@ module.exports = langs.map(([lang, locale]) => {
 	const entry = {
 		desktop: './src/web/app/desktop/script.js',
 		mobile: './src/web/app/mobile/script.js',
+		stats: './src/web/app/stats/script.js',
 		status: './src/web/app/status/script.js',
 		dev: './src/web/app/dev/script.js',
 		auth: './src/web/app/auth/script.js'