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.

Last updated:

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
1 Hokkaido 15M 34.2 65.9% Region
2 Nordic countries 15M 36.3 77.0% Region
3 Pacific Ocean 13M 38.0 50.5% Region
4 Jejudo 12M 32.7 60.4% Region
5 East Asia 11M 37.7 52.1% Region
6 Hollywood 6.2M 34.7 52.1% Region
7 Osaka Prefecture 5.9M 36.2 60.0% Region
8 Southeast Asia 3.7M 36.0 53.0% Region
9 Florida 3.2M 32.5 70.1% Region
10 Dubai 3.2M 35.4 51.7% Region
11 California 2.7M 35.3 50.1% Region
12 Scandinavia 2.5M 37.7 76.8% Region
13 Ko Samui 2.3M 33.8 73.8% Region
14 Phuket Province 2.1M 34.7 69.7% Region
15 Macau 1.9M 37.2 53.5% Region
16 Gulf Arabic 1.9M 31.9 50.8% Region
17 Mediterranean Sea 1.8M 40.4 46.6% Region
18 Scotland 1.6M 35.4 70.9% Region
19 West Africa 1.6M 38.5 56.3% Region
20 South Asia 1.5M 37.1 45.8% Region
21 Latin America 1.3M 37.5 44.6% Region
22 Guam 1.3M 34.7 64.0% Region
23 England 1.2M 32.5 54.3% Region
24 Waikiki 1.2M 36.7 63.5% Region
25 Polynesia 1.2M 37.8 65.8% 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.

Explore the full directory →

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.

Other top lists in Japan