Top Countries with the Highest Number of Mobile Users 1. 🇨🇳 China - 1.6 billion users 2. 🇮🇳 India - 1.2 billion users 3. 🇺🇸 United States - 300 million users 4. 🇮🇩 Indonesia - 370 million users 5. 🇧🇷 Brazil - 250 million users 6. 🇷🇺 Russia - 220 million users 7. 🇯🇵 Japan - 190 million users 8. 🇳🇬 Nigeria - 180 million users 9. 🇵🇰 Pakistan - 180 million users 10. 🇲🇽 Mexico - 130 million users