Limit on births: abbr.

Else clues

• Births = deaths letters

• Census find, perhaps: Abbr.

• Demographer's goal, perhaps: Abbr.

• Fam. planning advocates

• Fam. planning goal

• No. of births = no. of deaths

• Overcrowding antidote, initially

• Result of a balance between the birth and death rates: Abbr.

• Sustainability aim (abbr.) - we know the word that you can`t guess In case of any inconvenience..