Title

Data Set for CHAPTER 2


To view or download worldpop.dta or its corresponding description file worldpop.inf, use the Save As or Save this Link As options.

This shows the world population in billions (second column) from 1650 to 1990. Data from "Introduction to the Mathematics of Population" by N. Keyfitz, Addison-Wesley (1968).


[image of worldpop.dta]
1st col 2nd col
0 0.510
50 0.625
100 0.710
150 0.910
200 1.130
250 1.600
300 2.525
310 3.307
315 3.354
320 3.696
325 4.066
330 4.432
335 4.822
340 5.318