This file is derivated from File:WorldMap ja.png. The source and authors of the original map are as follow:

• Original file: Koba-chan and depending on time of crop perhaps also (see original file): JYOQ2, 赤鉛筆, あなん, Siyajkak, Peka, 俊武, Koika, Clarin, Peccafly
• Original data: UNEP GRID data GNV19

The original file is licensed {{GFDL}} and {{Cc-by-sa-3.0}}. The changes made based on the original file are also GFDL and Cc-by-sa-3.0 because they are either minor changes which are {{PD-ineligible}} or they are made before August 1, 2009. In some cases the uploader may have added further licenses for the changes and in that case the licenses are specified below.
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