Info about TikTok ADS
Top Countries by Number of TikTok Users (and Potential Ad Reach)
| Rank | Country | Users (millions) |
| 1 | USA | 150 million |
| 2 | Indonesia | 126 million |
| 3 | Brazil | 99 million |
| 4 | Mexico | 74 million |
| 5 | Russia | 64 million |
| 6 | Vietnam | 63 million |
| 7 | Philippines | 49 million |
| 8 | Thailand | 43 million |
| 9 | Turkey | 41 million |
| 10 | United Kingdom | 35 million |
Countries with the Highest Ad Reach Among Adult Population
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Saudi Arabia — reach ≈ 90%
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UAE — ≈ 85%
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Indonesia — ≈ 83%
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Philippines — ≈ 80%
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Thailand — ≈ 78%
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Turkey — ≈ 76%
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Vietnam — ≈ 74%
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Brazil — ≈ 72%
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Mexico — ≈ 69%
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USA — ≈ 66%
What This Means for Advertisers
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USA, Indonesia, Brazil — top markets by audience size, ideal for large-scale TikTok campaigns.
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Middle East and Southeast Asia (Saudi Arabia, UAE, Philippines, Thailand) — lead in adult audience ad penetration.
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Russia, Mexico, Turkey, Vietnam — offer diverse demographics and strong engagement potential.
Conclusion
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Highest user volume: USA > Indonesia > Brazil > Mexico.
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Highest adult population ad penetration: Saudi Arabia, UAE, Indonesia, Philippines.