This varies widely, and there just isn't any method for tracking kids whose parents DO isolate them, though. And it isn't just monstrously abusive parents who undersocialize. My mom loved me and made sure I got a good education, but she was a paranoid woman with chronic health conditions that made driving me to friends impossible for her. My dad just figured he was there to make the money and left educating and caring to the woman.
There was a stretch between 14 and 18 where I didn't see anyone other than my mom and dad. Oh, I made small talk to the grocery clerk once a week. Frankly, it was appalling emotional neglect, and my dad has apologized for not stepping up to fix it. My mom remains in denial that it was even a problem.
And meanwhile, anytime someone brings up homeschooling there's always a ton of people saying socialization can't possibly be a problem. Usually people who weren't homeschooled themselves, of course.
There was a stretch between 14 and 18 where I didn't see anyone other than my mom and dad. Oh, I made small talk to the grocery clerk once a week. Frankly, it was appalling emotional neglect, and my dad has apologized for not stepping up to fix it. My mom remains in denial that it was even a problem.
And meanwhile, anytime someone brings up homeschooling there's always a ton of people saying socialization can't possibly be a problem. Usually people who weren't homeschooled themselves, of course.