Before revision: upright=1.5|Population distribution by age and sex for Angola in 2005 A population pyramid (age structure diagram) or " age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing.
After revision: upright=1.5|Population distribution by age and sex for Angola in 2005 A population pyramid (age structure diagram) or " age-gender pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing.