diff --git a/assets/js/dashboard/datepicker.js b/assets/js/dashboard/datepicker.js
index 1e7816e62..84622b9e3 100644
--- a/assets/js/dashboard/datepicker.js
+++ b/assets/js/dashboard/datepicker.js
@@ -253,6 +253,8 @@ class DatePicker extends React.Component {
       return 'Last 6 months'
     } if (query.period === '12mo') {
       return 'Last 12 months'
+    } if (query.period === 'all') {
+      return 'All time'
     } if (query.period === 'custom') {
       return `${formatDayShort(query.from)} - ${formatDayShort(query.to)}`
     }
@@ -338,6 +340,7 @@ class DatePicker extends React.Component {
               {this.renderLink("12mo", "Last 12 months")}
             </div>
             <div className="py-1 date-option-group">
+              {this.renderLink("all", "All time")}
               <span
                 onClick={() => this.setState({mode: 'calendar'}, this.openCalendar)}
                 onKeyPress={() => this.setState({mode: 'calendar'}, this.openCalendar)}
diff --git a/assets/js/dashboard/query.js b/assets/js/dashboard/query.js
index 6d68bd2df..6a4ff34c6 100644
--- a/assets/js/dashboard/query.js
+++ b/assets/js/dashboard/query.js
@@ -3,7 +3,7 @@ import { Link, withRouter } from 'react-router-dom'
 import {formatDay, formatMonthYYYY, nowForSite, parseUTCDate} from './util/date'
 import * as storage from './util/storage'
 
-const PERIODS = ['realtime', 'day', 'month', '7d', '30d', '6mo', '12mo', 'custom']
+const PERIODS = ['realtime', 'day', 'month', '7d', '30d', '6mo', '12mo', 'all', 'custom']
 
 export function parseQuery(querystring, site) {
   const q = new URLSearchParams(querystring)
diff --git a/lib/plausible/stats/query.ex b/lib/plausible/stats/query.ex
index 525364f8f..8310c916b 100644
--- a/lib/plausible/stats/query.ex
+++ b/lib/plausible/stats/query.ex
@@ -146,6 +146,27 @@ defmodule Plausible.Stats.Query do
     |> maybe_include_imported(site, params)
   end
 
+  def from(site, %{"period" => "all"} = params) do
+    end_date =
+      today(site.timezone)
+      |> Timex.end_of_month()
+
+    start_date =
+      site.inserted_at
+      |> Timex.Timezone.convert("UTC")
+      |> Timex.Timezone.convert(site.timezone)
+      |> Timex.beginning_of_month()
+
+    %__MODULE__{
+      period: "all",
+      date_range: Date.range(start_date, end_date),
+      interval: Map.get(params, "interval", "month"),
+      filters: parse_filters(params),
+      sample_threshold: Map.get(params, "sample_threshold", @default_sample_threshold)
+    }
+    |> maybe_include_imported(site, params)
+  end
+
   def from(site, %{"period" => "custom", "from" => from, "to" => to} = params) do
     new_params =
       params
diff --git a/test/plausible/stats/query_test.exs b/test/plausible/stats/query_test.exs
index 061989db2..5c248fa63 100644
--- a/test/plausible/stats/query_test.exs
+++ b/test/plausible/stats/query_test.exs
@@ -2,7 +2,11 @@ defmodule Plausible.Stats.QueryTest do
   use ExUnit.Case, async: true
   alias Plausible.Stats.Query
 
-  @site %Plausible.Site{timezone: "UTC"}
+  @site_inserted_at ~D[2020-01-01]
+  @site %Plausible.Site{
+    timezone: "UTC",
+    inserted_at: @site_inserted_at
+  }
 
   test "parses day format" do
     q = Query.from(@site, %{"period" => "day", "date" => "2019-01-01"})
@@ -56,6 +60,23 @@ defmodule Plausible.Stats.QueryTest do
     assert q.interval == "month"
   end
 
+  test "parses all time" do
+    q = Query.from(@site, %{"period" => "all"})
+
+    assert q.date_range.first == @site_inserted_at
+    assert q.date_range.last == Timex.today() |> Timex.end_of_month()
+    assert q.period == "all"
+    assert q.interval == "month"
+  end
+
+  test "parses all time in correct timezone" do
+    site = Map.put(@site, :timezone, "America/Cancun")
+    q = Query.from(site, %{"period" => "all"})
+
+    assert q.date_range.first == ~D[2019-12-01]
+    assert q.date_range.last == Timex.today("America/Cancun") |> Timex.end_of_month()
+  end
+
   test "defaults to 30 days format" do
     assert Query.from(@site, %{}) == Query.from(@site, %{"period" => "30d"})
   end
diff --git a/test/plausible_web/controllers/api/stats_controller/main_graph_test.exs b/test/plausible_web/controllers/api/stats_controller/main_graph_test.exs
index 720edeb81..282b4fad4 100644
--- a/test/plausible_web/controllers/api/stats_controller/main_graph_test.exs
+++ b/test/plausible_web/controllers/api/stats_controller/main_graph_test.exs
@@ -137,7 +137,52 @@ defmodule PlausibleWeb.Api.StatsController.MainGraphTest do
       assert Enum.sum(plot) == 4
     end
 
-    # TODO: missing 6, 12 months, 30 days
+    test "displays visitors for 12 months with imported data", %{conn: conn, site: site} do
+      populate_stats(site, [
+        build(:pageview, timestamp: ~N[2021-01-01 00:00:00]),
+        build(:pageview, timestamp: ~N[2021-12-31 00:00:00]),
+        build(:imported_visitors, date: ~D[2021-01-01]),
+        build(:imported_visitors, date: ~D[2021-12-31])
+      ])
+
+      conn =
+        get(
+          conn,
+          "/api/stats/#{site.domain}/main-graph?period=12mo&date=2021-12-31&with_imported=true"
+        )
+
+      assert %{"plot" => plot} = json_response(conn, 200)
+
+      assert Enum.count(plot) == 12
+      assert List.first(plot) == 2
+      assert List.last(plot) == 2
+      assert Enum.sum(plot) == 4
+    end
+
+    test "displays visitors for all time with just native data", %{conn: conn, site: site} do
+      use Plausible.Repo
+
+      Repo.update_all(from(s in "sites", where: s.id == ^site.id),
+        set: [inserted_at: ~N[2020-01-01 00:00:00]]
+      )
+
+      populate_stats(site, [
+        build(:pageview, timestamp: ~N[2020-01-01 00:00:00]),
+        build(:pageview, timestamp: ~N[2021-01-01 00:00:00]),
+        build(:pageview, timestamp: ~N[2021-12-31 00:00:00])
+      ])
+
+      conn =
+        get(
+          conn,
+          "/api/stats/#{site.domain}/main-graph?period=all&with_imported=true"
+        )
+
+      assert %{"plot" => plot} = json_response(conn, 200)
+
+      assert List.first(plot) == 1
+      assert Enum.sum(plot) == 3
+    end
   end
 
   describe "GET /api/stats/main-graph - labels" do