[brippalcharrid]

Nigeria is the one stand-out country that has stubbornly refused to become [much] less fertile as it developed. It's quite an outlier (was ~6.4 in 1960, up to ~6.8 in 1980, now ~5.4).

LOL at the y-axis on that graph ;)

https://data.worldbank.org/indicator/SP.DYN.TFRT.IN?location...