Pakistan's population according to a preliminary result from a new national census, the first conducted since 1998.
Pakistan's ranking among list of most populous nations, behind China, India, the United States and Indonesia.
births per 1,000 people - the country's birth rate is on a par with Bolivia and Haiti, and among the highest outside Africa.
Percentage of the population younger than 30.
of Pakistanis living in poverty.
Surge in growth in population since last census, the chief causes, according to population experts, include religious taboos, political timidity and public ignorance, especially in rural areas.
Percentage of married Pakistani women that do not use any form of birth control, and the only family-planning method sanctioned by most Islamic clerics is spacing births by breast-feeding newborns for two years.