Top list · Japan

Top 100 Regions in Japan

This curated ranking covers the 100 largest regions in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 462 regions tracked in Japan, the 100 ranked here account for the largest measured audience reach. Hokkaido, Nordic countries and Pacific Ocean lead the list with a combined estimated audience of 43M people. Across all 100 entries the average audience size is 1.6M, and the largest, Hokkaido, reaches around 15M people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each region, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.

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How to read this list

Rank

Position in the Top 100, sorted by audience size from largest to smallest. Updated weekly.

Audience size

Estimated number of unique people in Japan who actively engage with this audience, derived from anonymized search-behavior signals.

Country share

Share of the global audience that is active in Japan. A higher value means the audience is more locally concentrated here.

Avg age

Average age in years across the people who engage with this audience in Japan, derived from anonymized search-behavior signals. A dash means demographic data is not yet available.

Female share

Share of women among the people who engage with this audience in Japan. 50% is gender-balanced; values above mean female-skewed, below mean male-skewed.

Ranking

Rank Audience Audience size Avg age Female share Subtype
51 Ninh Thuận Province 699k 23.0 47.2% Region
52 Trentino-Alto Adige/Südtirol 689k 37.1 47.7% Region
53 Milwaukee 688k 42.7 16.4% Region
54 Caribbean 687k 34.8 59.7% Region
55 Central Thailand 686k 35.4 63.4% Region
56 Divisions of Bangladesh 649k 35.2 65.0% Region
57 Hạ Long Bay 631k 24.4 48.4% Region
58 Dolomites 594k 33.9 45.8% Region
59 Provence 577k 33.8 71.6% Region
60 Arab world 561k 39.3 50.6% Region
61 Kagoshima Prefecture 559k 41.7 41.1% Region
62 Western Asia 557k 34.8 48.4% Region
63 East Java 555k 33.1 66.6% Region
64 Ladakh 555k 29.1 58.7% Region
65 Apulia 550k 34.8 56.5% Region
66 Louisiana 537k 31.3 54.8% Region
67 Persian Gulf 529k 36.7 44.8% Region
68 Gold Coast, Queensland 524k 37.9 49.4% Region
69 Tibet 516k 33.5 49.5% Region
70 Bangkok Metropolitan Region 507k 33.9 71.1% Region
71 Michigan 454k 34.5 51.3% Region
72 Tatra Mountains 447k 33.7 66.4% Region
73 New Mexico 431k 27.0 47.4% Region
74 Oklahoma 417k 29.6 68.2% Region
75 Georgia (U.S. state) 416k 37.2 41.1% Region

Want the full picture for any of these audiences?

Open any profile to see psychographics, top regions, peer affinities and demographic splits — all derived from the same anonymized signals.

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Frequently asked questions

How is this Top 100 list compiled?

Rascasse aggregates anonymized search-behavior signals across Japan and ranks each region by its estimated audience size. Only entries with at least 5 measured entities are listed.

How often is the list updated?

The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.

What is the largest region in Japan?

Hokkaido currently leads with an estimated audience of 15M people in Japan.

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