how countries manage population growth and migration

countries adopt different methods to control
1) population growth
2) population migration

LEDC problem
>youthful population ( large amount of population are under 15 years)
>rapidly growing reputation

MEDC problem
> ageing population( large amount of population over 65 years)
>static or falling population

why do people migrate?
 
voluntary migration:
>increased personal freedom
>improved standard of living and quality of life

forced migration:
> natural disaster or war ( refugees)
>over…