Japan's eugenics policies in the early 20th century were influenced by eugenics policies in Europe and the United States.
NOT BSTOTAL BS
NOT BS — Verdict: True
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The Short Version
Historical evidence shows Japanese eugenics policy was shaped in part by European and U.S. precedents. Japanese Diet research and scholarly studies specifically link policy development and the 1940 National Eugenic Law to American sterilization laws and European, especially German, eugenic models. The main caveat is that Japan adapted these ideas to its own political and social goals rather than simply copying them.
Caveats
Influence does not mean Japan's eugenics policies were identical to Western ones or solely derived from them.
Domestic factors—nationalism, empire, population policy, and public health—also materially shaped Japanese eugenics.
Some listed sources are weak or non-scholarly; the conclusion rests primarily on Diet research and peer-reviewed academic work.