UNlocations             United Nations Table of Locations
e0                      United Nations Time Series of Life Expectancy
migrationM              Datasets on Migration
mxM                     Age-specific Mortality Data
percentASFR             Datasets on Age-specific Distribution of
                        Fertility Rates
popM                    Estimates and Projections of Population Counts
sexRatio                Sex Ratio at Birth
tfr                     United Nations Time Series of Total Fertility
                        Rate
wpp2012-package         World Population Prospects 2012
