source
All data were collected from UN tables accessed at http://unstats.un.org/unsd/demographic/products/socind/
on April 23, 2012. OECD membership is from www.oecd.org, accessed
May 25, 2012.
The data file UN11a
contains only the columns region
,
subregion
, Fertility
,
PPgdp
and lifeExpF
for localities with all these variables observed.