[[File:Europe map.png|thumbnail|right|226px|[[Europe]], which is [[Secular Europe|less religious than a majority of the world]], has a subreplacement level of births, is projected to have a population that is 30% less smaller by the end of the century (see: [[Atheism and fertility rates]]).<ref>[https://www.eea.europa.eu/data-and-maps/indicators/total-population-outlook-from-unstat-3/assessment-1#:~:text=The%20greatest%20declines%20occur%20under,30%20%25%20of%20its%20current%20size. Population trends 1950 – 2100: globally and within Europe]</ref> ]]