This review of the fourth census publication1 emanating from the latest census of Pakistan is third in a series2 of review articles on census publica¬tions by members of the Demographic Section of the Institute of Develop¬ment Economics, Karachi. In the meantime, a fifth3 publication has appear¬ed on the all-important subjects of literacy and education. Its review is being prepared. There is, however, this big difference between the reviews. The first review squeezed probably all possible information out of the first bulletin. The second review utilized quite a sizeable proportion of the information contained in the second and third release, but of necessity left the bulk unanalyzed. ...