By A Mystery Man Writer
Raze, rebuild, repeat: why Japan knocks down its houses after 30
Average height of Japanese born in 1980 or later is declining
Baby boomers - Wikiwand
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Demographics of Japan - Wikipedia
Spirit and Sacrifice Beyond the Diamond - Digital Museum of the
Japan's average adult height declining for those born in 1980 or later
Japanese Americans - Wikipedia
Japan's age wave: Challenges and solutions
Japan confronts a stark reality: a nation of old people
Japan's Population Decline Isn't as Bad as We Think
Japan confronts a stark reality: a nation of old people
Many Japanese moms-to-be don't gain enough weight, and experts say
Race and intelligence (test data), Psychology Wiki