No, they're not. In the country I'm living in, *no one* uses phone calls except for rare things like delivery people calling because the box doesn't fit in your apartment's delivery boxes. Absolutely no one under the age of 50 uses voice calling to talk to their friends or family; they all use LINE texting.

I haven't taken a phone call in over a month now (from the Amazon delivery guy). I use dating and texting apps every day.