Education and access to family planning. Access to economic opportunities that provide a compelling reason to wait to give birth to children until later in lif

Education and access to family planning. Access to economic opportunities that provide a compelling reason to wait to give birth to children until later in life than directly post-pubescence. If Westerners were serious about staving off a mass of immigrants they'd work to improve the situations where the migrants originate. That would mean a cessation to mercantilism and colonialism and likely a decline in the quality of life but surely that's a small price to pay