Population statistics Category page Create Classic editor Talk0 This page needs content. You can help by adding a sentence or a photo. Add to this page!orSearch for "Population statistics" “Assessment| Biopsychology| Comparative| Cognitive| Developmental| Language| Individual... Global Internet usage “ Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... Gross reproduction rate Pages in category "Population statistics" The following 2 pages are in this category, out of 2 total. G Global Internet usageGross reproduction rate Retrieved from "http://psychology.wikia.com/wiki/Category:Population_statistics"