Replacement migration is it a solution to declining and ageing populationsn

Replacement migration is it a solution to declining and ageing populationsn

ग्रंथसूची विवरण
निगमित लेखक: United Nations. Department of Economic and Social Affairs. Population Division
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: New York United Nations 2001.
विषय:
Emigration and immigration > Social aspects.
Age distribution (Demography)
Population > Statistics.
Aged.