I was handling all my own meals except dinner and had a house key at around the same age in the US. I'm not sure how drastically things have changed in the ensu

I was handling all my own meals except dinner and had a house key at around the same age in the US. I'm not sure how drastically things have changed in the ensuing 20 years, but I still see kids walking and playing without adults, so I suspect it's both exaggerated and regional or class-based.