diff --git a/doc/source/locale/ja/LC_MESSAGES/about.mo b/doc/source/locale/ja/LC_MESSAGES/about.mo
index 2a71bfe21e6b..695e6d365d73 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/about.mo and b/doc/source/locale/ja/LC_MESSAGES/about.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/about.po b/doc/source/locale/ja/LC_MESSAGES/about.po
index 0bec2ec31c07..1eff3239d85c 100644
--- a/doc/source/locale/ja/LC_MESSAGES/about.po
+++ b/doc/source/locale/ja/LC_MESSAGES/about.po
@@ -21,7 +21,7 @@ msgstr ""
 
 #: ../../source/about.rst:5
 msgid "What is GDAL?"
-msgstr ""
+msgstr "GDALとは?"
 
 #: ../../source/about_no_title.rst:1
 msgid ""
diff --git a/doc/source/locale/ja/LC_MESSAGES/community.mo b/doc/source/locale/ja/LC_MESSAGES/community.mo
index 4f8bb2015e6f..b682dceb1fd2 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/community.mo and b/doc/source/locale/ja/LC_MESSAGES/community.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/community.po b/doc/source/locale/ja/LC_MESSAGES/community.po
index 15e6d92e8549..a4e504120e06 100644
--- a/doc/source/locale/ja/LC_MESSAGES/community.po
+++ b/doc/source/locale/ja/LC_MESSAGES/community.po
@@ -21,8 +21,8 @@ msgstr ""
 
 #: ../../source/community/code_of_conduct.rst:5
 #: ../../source/community/index.rst:16
-msgid "行動規範"
-msgstr ""
+msgid "Code of Conduct"
+msgstr "行動規範"
 
 #: ../../source/community/code_of_conduct.rst:7
 msgid ""
@@ -34,7 +34,7 @@ msgstr ""
 
 #: ../../source/community/code_of_conduct.rst:13
 msgid "Introduction"
-msgstr ""
+msgstr "紹介"
 
 #: ../../source/community/code_of_conduct.rst:15
 msgid ""
diff --git a/doc/source/locale/ja/LC_MESSAGES/index.mo b/doc/source/locale/ja/LC_MESSAGES/index.mo
index 556b490cdd0d..e807cb2f40a1 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/index.mo and b/doc/source/locale/ja/LC_MESSAGES/index.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/index_pdf.mo b/doc/source/locale/ja/LC_MESSAGES/index_pdf.mo
index e2267788ba9b..f1f985a166fe 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/index_pdf.mo and b/doc/source/locale/ja/LC_MESSAGES/index_pdf.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/index_pdf.po b/doc/source/locale/ja/LC_MESSAGES/index_pdf.po
index 232a8ccffd88..2302b3284488 100644
--- a/doc/source/locale/ja/LC_MESSAGES/index_pdf.po
+++ b/doc/source/locale/ja/LC_MESSAGES/index_pdf.po
@@ -21,7 +21,7 @@ msgstr ""
 
 #: ../../source/index_pdf.rst:7
 msgid "User"
-msgstr ""
+msgstr "ユーザー"
 
 #: ../../source/index_pdf.rst:5
 msgid "GDAL"
diff --git a/doc/source/locale/ja/LC_MESSAGES/license.mo b/doc/source/locale/ja/LC_MESSAGES/license.mo
index e2267788ba9b..e88e0637e9ad 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/license.mo and b/doc/source/locale/ja/LC_MESSAGES/license.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/license.po b/doc/source/locale/ja/LC_MESSAGES/license.po
index 53beac4f90c6..8cff605987c9 100644
--- a/doc/source/locale/ja/LC_MESSAGES/license.po
+++ b/doc/source/locale/ja/LC_MESSAGES/license.po
@@ -21,7 +21,7 @@ msgstr ""
 
 #: ../../source/license.rst:5 ../../source/license.rst:8
 msgid "License"
-msgstr ""
+msgstr "ライセンス"
 
 #: ../../source/license.rst:10
 msgid ""
diff --git a/doc/source/locale/ja/LC_MESSAGES/programs.mo b/doc/source/locale/ja/LC_MESSAGES/programs.mo
index e2267788ba9b..57c0d872b376 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/programs.mo and b/doc/source/locale/ja/LC_MESSAGES/programs.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/programs.po b/doc/source/locale/ja/LC_MESSAGES/programs.po
index 6236332b9a65..6b37804e66b7 100644
--- a/doc/source/locale/ja/LC_MESSAGES/programs.po
+++ b/doc/source/locale/ja/LC_MESSAGES/programs.po
@@ -21,17 +21,17 @@ msgstr ""
 
 #: ../../source/programs/argument_syntax.rst:5
 msgid "Syntax of arguments of command-line utilities"
-msgstr ""
+msgstr "コマンドラインユーティリティの引数の文法"
 
 #: ../../source/programs/argument_syntax.rst:7
 msgid ""
 "The following table describes the notation used to document the syntax of"
 " arguments of command-line utilities."
-msgstr ""
+msgstr "以下のテーブルはコマンドラインユーティリティの引数の文法について記述されています."
 
 #: ../../source/programs/argument_syntax.rst:13
 msgid "Notation"
-msgstr ""
+msgstr "表記"
 
 #: ../../source/programs/argument_syntax.rst:14
 #: ../../source/programs/gdal-config.rst:28
@@ -75,7 +75,7 @@ msgstr ""
 #: ../../source/programs/pct2rgb.rst:22 ../../source/programs/rgb2pct.rst:22
 #: ../../source/programs/sozip.rst:36
 msgid "Description"
-msgstr ""
+msgstr "説明"
 
 #: ../../source/programs/argument_syntax.rst:16
 msgid "Text without brackets or braces"
diff --git a/doc/source/locale/ja/LC_MESSAGES/software_using_gdal.po b/doc/source/locale/ja/LC_MESSAGES/software_using_gdal.po
index d019463fe6e4..6ad172c1496c 100644
--- a/doc/source/locale/ja/LC_MESSAGES/software_using_gdal.po
+++ b/doc/source/locale/ja/LC_MESSAGES/software_using_gdal.po
@@ -21,11 +21,11 @@ msgstr ""
 
 #: ../../source/software_using_gdal.rst:5
 msgid "Software using GDAL"
-msgstr ""
+msgstr "GDALを利用しているソフトウェア"
 
 #: ../../source/software_using_gdal.rst:8
 msgid "Free and open source"
-msgstr ""
+msgstr "フリーアンドオープンソース"
 
 #: ../../source/software_using_gdal.rst:10
 msgid ""
diff --git a/doc/source/locale/ja/LC_MESSAGES/sponsors.mo b/doc/source/locale/ja/LC_MESSAGES/sponsors.mo
index e2267788ba9b..988e880177ca 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/sponsors.mo and b/doc/source/locale/ja/LC_MESSAGES/sponsors.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/sponsors.po b/doc/source/locale/ja/LC_MESSAGES/sponsors.po
index b33333b2d2eb..b6c5314d4895 100644
--- a/doc/source/locale/ja/LC_MESSAGES/sponsors.po
+++ b/doc/source/locale/ja/LC_MESSAGES/sponsors.po
@@ -21,11 +21,11 @@ msgstr ""
 
 #: ../../source/sponsors/faq.rst:5
 msgid "Sponsoring FAQ"
-msgstr ""
+msgstr "スポンサー FAQ"
 
 #: ../../source/sponsors/faq.rst:8
 msgid "Why does GDAL need sponsorship?"
-msgstr ""
+msgstr "GDAL がスポンサーを必要とする理由は何ですか？"
 
 #: ../../source/sponsors/faq.rst:10
 msgid ""
diff --git a/doc/source/locale/ja/LC_MESSAGES/tutorials.mo b/doc/source/locale/ja/LC_MESSAGES/tutorials.mo
index e2267788ba9b..c7112a0251e5 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/tutorials.mo and b/doc/source/locale/ja/LC_MESSAGES/tutorials.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/tutorials.po b/doc/source/locale/ja/LC_MESSAGES/tutorials.po
index 98a17a301c74..e3775ece176f 100644
--- a/doc/source/locale/ja/LC_MESSAGES/tutorials.po
+++ b/doc/source/locale/ja/LC_MESSAGES/tutorials.po
@@ -21,11 +21,11 @@ msgstr ""
 
 #: ../../source/tutorials/gdal_grid_tut.rst:5
 msgid "GDAL Grid Tutorial"
-msgstr ""
+msgstr "GDAL Grid チュートリアル"
 
 #: ../../source/tutorials/gdal_grid_tut.rst:8
 msgid "Introduction to Gridding"
-msgstr ""
+msgstr "グリッディングの紹介"
 
 #: ../../source/tutorials/gdal_grid_tut.rst:10
 msgid ""
diff --git a/doc/source/locale/ja/LC_MESSAGES/user.mo b/doc/source/locale/ja/LC_MESSAGES/user.mo
index e2267788ba9b..ccb218306d80 100644
Binary files a/doc/source/locale/ja/LC_MESSAGES/user.mo and b/doc/source/locale/ja/LC_MESSAGES/user.mo differ
diff --git a/doc/source/locale/ja/LC_MESSAGES/user.po b/doc/source/locale/ja/LC_MESSAGES/user.po
index f095abb9da16..0bd90625c3b0 100644
--- a/doc/source/locale/ja/LC_MESSAGES/user.po
+++ b/doc/source/locale/ja/LC_MESSAGES/user.po
@@ -21,7 +21,7 @@ msgstr ""
 
 #: ../../source/user/configoptions.rst:5
 msgid "Configuration options"
-msgstr ""
+msgstr "構成オプション"
 
 #: ../../source/user/configoptions.rst:7
 msgid ""