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Nothing out of the ordinary happened, I think it was just a mix of factors, like the end of the post-war baby boom, family planning becoming more common, and some people say heavy urbanization played a role too.
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pull down to refresh
Nothing out of the ordinary happened, I think it was just a mix of factors, like the end of the post-war baby boom, family planning becoming more common, and some people say heavy urbanization played a role too.
Oh no, that's very sad.
The green line was trending up until what, the 1970s? I don't know JP history but I'd like to know what event caused the downtrend.