Japan Population Decline by Municipality: 2025 Census Data

What the 2025 Population Census preliminary figures show about population decline across Japan's municipalities, and how to read them against the official IPSS projection.

Akiya (Vacant Home) Rates Across Japan: What the Data Shows

A plain-language explanation of Japan's akiya (vacancy) statistics — how the vacancy rate is defined, why resort areas score high, and how to read it before considering a vacant home.

How to Read Japanese Demographic Data Before Buying Property

A guide to the key indicators on this site — population trend, 2050 projection, share aged 65+, net migration, vacancy rate and rent — and how to combine them.

Rent Levels by Municipality in Japan

How to read Japan's private rental rent data (JPY per m²) by municipality, including the small-sample caveat, using the 2023 Housing and Land Survey.

Tokyo vs Regional Japan: The Two-Speed Property Market in Data

The data behind Japan's two-speed demographics — a growing greater-Tokyo core versus declining regions — and what the 2025 Census and 2050 projection show.