diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index 3bf8be47c..40ba0af7a 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -2,8 +2,8 @@ class StatsController < ApplicationController
   def show
     @url                 = request.url
 
-    # 2012年1月1日〜2020年12月31日までの集計結果
-    period        = Time.zone.local(2012).beginning_of_year..Time.zone.local(2020).end_of_year
+    # 2012年1月1日〜2021年12月31日までの集計結果
+    period        = Time.zone.local(2012).beginning_of_year..Time.zone.local(2021).end_of_year
     stats         = Stat.new(period)
 
     # 推移グラフ
diff --git a/app/models/high_charts_builder.rb b/app/models/high_charts_builder.rb
index fc95db12f..da94b8af9 100644
--- a/app/models/high_charts_builder.rb
+++ b/app/models/high_charts_builder.rb
@@ -33,7 +33,7 @@ def build_annual_event_histories(source)
         f.series(type: 'line',   name: '累積合計', yAxis: 1, data: data[:cumulative_sums])
         f.yAxis [
           { title: { text: '開催回数' }, tickInterval:  400, max: 2000 },
-          { title: { text: '累積合計' }, tickInterval: 1200, max: 6000, opposite: true }
+          { title: { text: '累積合計' }, tickInterval: 1400, max: 7000, opposite: true }
         ]
         f.chart(width: 600, alignTicks: false)
         f.colors(["#F4C34F", "#BD2561"])
@@ -50,7 +50,7 @@ def build_annual_participants(source)
         f.series(type: 'line',   name: '累積合計', yAxis: 1, data: data[:cumulative_sums])
         f.yAxis [
           { title: { text: '参加者数' }, tickInterval: 2500, max: 12500 },
-          { title: { text: '累積合計' }, tickInterval: 8000, max: 40000, opposite: true }
+          { title: { text: '累積合計' }, tickInterval: 10000, max: 50000, opposite: true }
         ]
         f.chart(width: 600, alignTicks: false)
         f.colors(["#EF685E", "#35637D"])