diff --git a/themes/future/layout/authors.ejs b/themes/future/layout/authors.ejs
index b75afa0b906..34573c9d697 100644
--- a/themes/future/layout/authors.ejs
+++ b/themes/future/layout/authors.ejs
@@ -1,86 +1,62 @@
-<div class="container">
-  <ul class="breadcrumb">
-    <li><a href="/">Home</a></li>
-    <li class="active">Authors</li>
-  </ul>
-  <section id="main" class="margin-top-30">
-    <div>
-      <div id="chart" style="width:95%;min-height:250px"></div>
-      <script src="https://cdn.jsdelivr.net/npm/echarts@5.1.2/dist/echarts.min.js"></script>
-      <script type="text/javascript">
-        let myChart = echarts.init(document.getElementById('chart'));
-        let option = {
-          title: {
-              text: '年別著者数'
-          },
-          tooltip: {
-              trigger: 'axis'
-          },
-          grid: {},
-          toolbox: {},
-          xAxis: {
-              type: 'category',
-              boundaryGap: false,
-              data: [<%= generate_yearly_authors_series_x() %>]
-          },
-          yAxis: {
-              type: 'value',
-              min:0,
-              max: <%= max_yearly_authors() %>
-          },
-          series: [
-              {
-                  name: '著者数（UU）',
-                  type: 'line',
-                  data: [<%= generate_yearly_authors_series_y() %>]
-              }
-          ]
-        };
-        myChart.setOption(option);
-      </script>
-      <h2 class="list-page"><%= date(new Date(), 'YYYY') %>年の執筆者</h2>
-      <ul class="summary">
-        <li><span class="summary-count"><%= count_authors(date(new Date(), 'YYYY')) %></span><br><span class="summary-label">人</span></li>
-        <li><span class="summary-count"><%= count_articles_year(date(new Date(), 'YYYY')) %></span><br><span class="summary-label">投稿</span></li>
-      </ul>
-      <%- list_authors(date(new Date(), 'YYYY')) %>
-      <%
-        const lastYear = new Date();
-        lastYear.setFullYear(lastYear.getFullYear() - 1);
-      %>
-      <h2 class="list-page"><%= date(lastYear, 'YYYY') %>年の執筆者</h2>
-      <ul class="summary">
-        <li><span class="summary-count"><%= count_authors(date(lastYear, 'YYYY')) %></span><br><span class="summary-label">人</span></li>
-        <li><span class="summary-count"><%= count_articles_year(date(lastYear, 'YYYY')) %></span><br><span class="summary-label">投稿</span></li>
-      </ul>
-      <%- list_authors(date(lastYear, 'YYYY')) %>
-      <%
-      const ago2Year = new Date();
-      ago2Year.setFullYear(ago2Year.getFullYear() - 2);
-      %>
-      <h2 class="list-page"><%= date(ago2Year, 'YYYY') %>年の執筆者</h2>
-      <ul class="summary">
-        <li><span class="summary-count"><%= count_authors(date(ago2Year, 'YYYY')) %></span><br><span class="summary-label">人</span></li>
-        <li><span class="summary-count"><%= count_articles_year(date(ago2Year, 'YYYY')) %></span><br><span class="summary-label">投稿</span></li>
-      </ul>
-      <%- list_authors(date(ago2Year, 'YYYY')) %>
-      <%
-      const ago3Year = new Date();
-      ago3Year.setFullYear(ago3Year.getFullYear() - 3);
-      %>
-      <h2 class="list-page"><%= date(ago3Year, 'YYYY') %>年の執筆者</h2>
-      <ul class="summary">
-        <li><span class="summary-count"><%= count_authors(date(ago3Year, 'YYYY')) %></span><br><span class="summary-label">人</span></li>
-        <li><span class="summary-count"><%= count_articles_year(date(ago3Year, 'YYYY')) %></span><br><span class="summary-label">投稿</span></li>
-      </ul>
-      <%- list_authors(date(ago3Year, 'YYYY')) %>
-
-      <h2 class="list-page margin-top-50">全期間の執筆者</h2>
-      <ul class="summary">
-        <li><span class="summary-count"><%= count_authors() %></span><br><span class="summary-label">人</span></li>
-        <li><span class="summary-count"><%= count_articles() %></span><br><span class="summary-label">投稿</span></li>
-      </ul>
-      <%- list_authors() %>
-    </div>
-  </section>
-</div>
+<div class="container">
+  <ul class="breadcrumb">
+    <li><a href="/">Home</a></li>
+    <li class="active">Authors</li>
+  </ul>
+  <section id="main" class="margin-top-30">
+    <div>
+      <div id="chart" style="width:95%;min-height:250px"></div>
+      <script src="https://cdn.jsdelivr.net/npm/echarts@5.1.2/dist/echarts.min.js"></script>
+      <script type="text/javascript">
+        let myChart = echarts.init(document.getElementById('chart'));
+        let option = {
+          title: {
+              text: '年別著者数'
+          },
+          tooltip: {
+              trigger: 'axis'
+          },
+          grid: {},
+          toolbox: {},
+          xAxis: {
+              type: 'category',
+              boundaryGap: false,
+              data: [<%= generate_yearly_authors_series_x() %>]
+          },
+          yAxis: {
+              type: 'value',
+              min:0,
+              max: <%= max_yearly_authors() %>
+          },
+          series: [
+              {
+                  name: '著者数（UU）',
+                  type: 'line',
+                  data: [<%= generate_yearly_authors_series_y() %>]
+              }
+          ]
+        };
+        myChart.setOption(option);
+      </script>
+
+      <%
+        const currentYear = new Date().getFullYear();
+        for (let year = currentYear; year >= 2016; year--) {
+      %>
+        <h2 class="list-page"><%= year %>年の執筆者</h2>
+        <ul class="summary">
+          <li><span class="summary-count"><%= count_authors(year.toString()) %></span><br><span class="summary-label">人</span></li>
+          <li><span class="summary-count"><%= count_articles_year(year.toString()) %></span><br><span class="summary-label">投稿</span></li>
+        </ul>
+        <%- list_authors(year.toString()) %>
+      <% } %>
+
+      <h2 class="list-page margin-top-50">全期間の執筆者</h2>
+      <ul class="summary">
+        <li><span class="summary-count"><%= count_authors() %></span><br><span class="summary-label">人</span></li>
+        <li><span class="summary-count"><%= count_articles() %></span><br><span class="summary-label">投稿</span></li>
+      </ul>
+      <%- list_authors() %>
+    </div>
+  </section>
+</div>