Around 86 out of 100 people in the world own at least one cell phone.
Cell Phone Subscribers Surpasses 6 Billion on Earth : Read more
Cell Phone Subscribers Surpasses 6 Billion on Earth : Read more
It says in the article : "approximately 86 out of 100 people own at least one cell phone"
It seems they took account of those using multiple cellphones. I think they where not just counting the activated cellhpones.
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