The UN asks itself with much gravitas:
Replacement Migration:
Is It a Solution to Declining and Ageing Populations?
https://www.un.org/esa/population/publications/migration/migration.htm
https://www.eurocanadian.ca/2017/04/the-coming-civil-war-in-europe.html
The Diversity establishment views these migrant 'children' as harbingers of racial harmony: