Almost anywhere in Europe would be a good choice. Free at the point of use health care. Stable. I'm in UK. Canada is another good choice. Personally I would not

Almost anywhere in Europe would be a good choice. Free at the point of use health care. Stable. I'm in UK. Canada is another good choice. Personally I would not move to USA for reasons I won't go into here. But there's a point worth making here - some of the best opportunities for developers are now in "developing countries".