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Posted Jun 5, 2026, 7:12 PM
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Registered User
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Join Date: Sep 2008
Posts: 6,143
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Quote:
Originally Posted by Yuri
Japan's 2025 Census is out: 123,049,524 people.
1920: 55,963,053
1930: 64,450,005
1940: 73,114,308
1950: 83,199,637
1960: 93,418,501
1970: 103,720,060
1980: 117,060,396
1990: 123,611,167
2000: 126,925,843
2010: 128,057,352
2015: 127,094,745
2020: 126,146,099
2025: 123,049,524
Japanese annual estimates are very good, but the result came below the 2025 estimate by 150,000 people.
Population decline is speeding up as it always occurs as there are big old people cohorts dying off: from -1,000,000 (2015-2020) to -3,000,000 (2020-2025).
As Japan doesn't have much immigration, it's quite easy to estimate population for 2030 based on natural growth evolution (births minus deaths). I expect a low 119 million or a high 118 million counted on the 2030 Census.
In this scenario Japan will have lost almost 10 million people compared to the 2010 peak. That's a lot of people and that's why we have entire rural regions, far away suburbs, mid-sized industrial cities completely abandoned as population flocks to central Tokyo, central Osaka, central Nagoya, Fukuoka etc.
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What we've discussed several times: people tend to flock into primate cities when population starts declining:
JAPAN
2020: 126,146,099
2025: 123,049,524 --- -2.45%
TOKYO
2020: 9,733,276
2025: 9,953,160 --- +2.26%
OSAKA
2020: 2,752,412
2025: 2,808,624 --- +2.04%
NAGOYA
2020: 2,332,176
2025: 2,345,892 --- +0.59%
Meanwhile, the island of SHIKOKU:
2020: 3,696,171
2025: 3,486,739 --- -5.67%
And not only rural areas are collapsing, but big cities suburbs/exurbs as well:
SAYAMA-IRUMA (Tokyo)
2020: 294,350
2025: 282,931 --- -3.88%
NARA (Osaka)
2020: 354,630
2025: 338,416 --- -4.57%
ICHINOMIYA (Nagoya)
2020: 380,073
2025: 368,755 --- -2.98%
Same for mid-sized cities:
NAGASAKI
2020: 409,118
2025: 381,738 --- -6.69%
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