in 2025 for sure everyone will have a smartphone, also in poor countries
And also there are even some areas that have no asphalt road and electricity yet.
I don't think you can count them for this kind of statistic. But if you count them, of course, you are definitely right.
Also as far as i know they are not counted in those kind of statistics.(I read in somewhere some time ago) but with cheap and reliable products increased in worldwide markets, we'll see these techs advantages.
Mobile phones infrastructure is much easier to create and cheaper than cable based Internet. You just have to erect some signal towers every 20 miles or so.
true, phones are now so cheap, you have to actively not want one to avoid it. or if you're old and can't handle the technology.