As of 2018, Guatemala had the least divorced population in the world, with 0.3 divorces per every 1,000 population. Qatar followed with 0.4 divorces per 1,000 inhabitants.
src:
https://www.statista.com/statistics/1226451/lowest-divorce-rate-worldwide-by-country/#:~:text=As%20of%202018%2C%20Guatemala%20had,0.4%20divorces%20per%201%2C000%20inhabitants.
Country/region Continent Marriage Divorce Actual Percent Data Source Year
Albania Europe 8.1 1.7
4.76 20.99 (2018)
Algeria Africa 10.1 1.6
6.31 15.84 (2013)
Armenia Europe 6.0 1.0 6
16.67 (2011)
src:
en.wikipedia.org/wiki/Divorce_demography