Top 10 Countries by Publisher Count — 2026

Which countries have the most publisher websites? A global view of programmatic advertising market size by publisher count.

● Data last updated: March 09, 2026

Methodology: Countries ranked by total publisher websites tracked in Red Volcano's database. Country determined by primary audience location. Data refreshed weekly.

Key Takeaway

United States dominates with 1,039,841 publishers, followed by Japan (338,808) and Russia (317,486). The top 10 countries account for 3,056,304 publishers combined.

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The Rankings

RankCountryPublisher Count
1United States1,039,841
2Japan338,808
3Russia317,486
4India239,083
5Germany218,605
6Brazil216,803
7China204,116
8United Kingdom174,854
9Indonesia161,233
10France145,475
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Visual Comparison

United States
1,039,841
Japan
338,808
Russia
317,486
India
239,083
Germany
218,605
Brazil
216,803
China
204,116
United Kingdom
174,854
Indonesia
161,233
France
145,475

Explore Publishers by Country

Red Volcano provides publisher data for every country. Filter by technology, vertical, traffic tier, and more.

Frequently Asked Questions

United States leads with 1,039,841 publisher websites, making it the largest market by publisher count in Red Volcano's dataset.

Publisher country is determined using audience-based country classification, which is based on the primary audience location and domain registration data.

Publisher count by country indicates market size and opportunity for SSPs and ad networks. Countries with more publishers offer larger addressable markets for supply-side platforms.

Red Volcano refreshes all publisher data including country classification weekly. This ranking is updated quarterly.

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