After peaking at 717,659 hectares in 2002, Japan's exclusive residential land area fell to 711,321 ha by 2023—a decline of 6,338 ha over 21 years.

Portal Site of Official Statistics of Japan website (https://www.e-stat.go.jp/).

from Japan Japan's exclusive residential land area — land zoned purely for housing, excluding mixed commercial uses — reached an all-time high of 717,659 hectares in 2002, according to the Statistics Bureau of Japan.

By 2023, the footprint had shrunk to 711,321 hectares , a decline of 6,338 ha over 21 years, mirroring the country's demographic shift that reshaped the housing landscape.

2002 marked the top of a long expansion In 1975, the exclusive residential area stood at just 590,933 hectares .

Over the next quarter-century, the figure swelled by more than 126,000 ha as Japan's post-war economic boom pushed housing development into suburban and peri-urban zones.

The pace was fastest during the late 1980s and 1990s, when annual gains sometimes exceeded 10,000 ha.

By 1990, the area had reached 666,580 hectares , and it continued to climb through the final years of the bubble economy.

Even after the asset price collapse, residential land kept expanding , albeit more slowly, finally cresting at 717,659 ha in 2002 — a rise of 21.5% from 1975.

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