82%
What share of people worldwide (age 10+) own a mobile phone?
Ownership is over 95% in high-income economies but only 53% in low-income economies.
Source: International Telecommunication Union, Facts and Figures 2025 (2025) itu.int
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Guess the real numbers behind the networks that connect our phones and the internet, see how everyone else guessed, and get the source.
What share of the world's population can get a 4G mobile signal?

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82%
Ownership is over 95% in high-income economies but only 53% in low-income economies.
Source: International Telecommunication Union, Facts and Figures 2025 (2025) itu.int
just 0.37%
Almost all international data travels through fiber-optic submarine cables, which carry far more data at a fraction of satellites' cost.
Source: TeleGeography, Submarine Cable FAQs (citing FCC data) www2.telegeography.com
more than 600
The number keeps changing as new cables enter service and older ones are decommissioned.
Source: TeleGeography, Submarine Cable FAQs www2.telegeography.com
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