(CNN) — For the last 20 years, what name is always in the top 100 most popular baby names given to boys in the United States? Jesus (pronounced hey-seus). And among 4,500 boys names in England in 2009, what was the No. 1 most popular baby name? Mohammed. In Brussels? Mohammed. Oslo? Mohammed. Amsterdam? Mohammed. And what do babies and their names have to do with the global economy? Everything.

The currency of the future is babies, because babies grow up to be taxpaying workers. Let’s do Demography 101, which is basically the study of baby-making. Demographers have a fancy term called “total fertility rate,” which measures the average number of babies a woman has over her childbearing years. “More“