1. Global Pop Division Trends -

http://www.un.org/en/global-issues/population

2. World Population Prospects Report -

http://www.un.org/development/desa/pd/sites/www.un.org.development.desa.pd/files/undesa_pd_2025_wfr_2024_final.pdf

3. Global Demo Transition Model -

http://ourworldindata.org/demographic-transition

4. Interactive Global Population Dashboard -

http://www.unfpa.org/data/world-population-dashboard

5. World Development Indicators Database -

http://databank.worldbank.org/source/world-development-indicators