After reaching 717,659 hectares in 2002, Japan's exclusive residential land area shrank to 711,321 ha by 2023—a quiet unwind of about 6,300 ha over tw

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

from Japan Japan’s exclusive residential land area—which the Statistics Bureau defines as land used strictly for housing, excluding mixed-use zones—reached an all-time high of 717,659 hectares in 2002, according to the System of Social and Demographic Statistics.

Over the following 21 years, that figure dipped by a modest 6,339 ha, finishing at 711,321 ha in 2023.

The dataset, spanning 48 annual observations from 1975 to 2023 (with no data point for 1995), shows a gradual expansion from 590,933 ha in 1975 to the early-2000s peak, then an extended, gentle plateau.

A peak that wasn’t a bubble The increase from the mid-1970s mirrors Japan’s rapid urbanization and rising homeownership during the high-growth and bubble eras.

By 1990, exclusive residential area had already grown to 666,580 ha.

The 2002 peak occurred well after the asset bubble burst, a time when many households may have completed long-planned moves to single-family homes in suburbs.

From that point onward, the aggregate footprint expanded only marginally, then began a barely perceptible decline.

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