ModernC
:
http://unstats.un.org/unsd/demographic/products/socind/contraceptive.htm;
(2) change
:
http://unstats.un.org/unsd/demographic/products/socind/population.htm;
(3) PPgdp
:
http://unstats.un.org/unsd/demographic/products/socind/inc-eco.htm;
(4) Frate
:
http://unstats.un.org/unsd/demographic/products/socind/inc-eco.htm;
(5) Pop
:
http://unstats.un.org/unsd/demographic/products/socind/population.htm;
(6) Fertility
:
http://unstats.un.org/unsd/demographic/products/indwm/tab2c.htm;
(7) Purban
:
http://unstats.un.org/unsd/demographic/products/socind/hum-sets.htm.