National Affairs: Census

The pains of the Nation—sometimes blamed on Republicans, sometimes on Democrats, sometimes on big business, sometimes on agricultural overproduction, sometimes on Prohibition, sometimes on the Ku Klux Klan, sometimes on everything good and bad—may be simple growing-pains.

Figures are dry and tedious but a brave body—the National Bureau of Economic Research—plunged into calculations and came out with a result—somewhat postdated, to be sure, but nevertheless a result. It found that the population of the U. S. (increased in this country by reason of considerable immigration and an unusually low death rate) had...