Criminals were coming to Chechnya from all over the world - they did not have a place in their own countries. But they could live perfectly well in Chechnya.
It is estimated that raising the retirement age to 70 would cut the shortfall by about 36%. But this proposal has some drawbacks. Women and men who have worked jobs that require manual labor all of their lives may not physically be able to do work until they are 70 years old.