If there's anything affecting reproduction rates, it doesn't seem to be permissive sexual norms but rather poor economic and professional conditions that preclu

If there's anything affecting reproduction rates, it doesn't seem to be permissive sexual norms but rather poor economic and professional conditions that preclude the establishment of a family, in conjunction with the general decrease in fertility when a region passes a certain point of development i.e. a child becomes a financial burden as opposed to an extra pair of hands.