- https://joshuaproject.net/people_groups/statistics
- https://www.desiringgod.org/interviews/is-the-great-commission-for-every-individual-christian
- http://www.thetravelingteam.org/stats/
- https://joshuaproject.net/resources/articles/10_40_window
- https://davidjoannes.com/shocking-stats-on-missions-giving/
- http://grd.center/Worldwide-Remittance
- https://globalcp.org/statistics/
