The nonreligious are growing in raw numbers but decreasing in percentage terms. https://www.weforum.org/agenda/2015/10/how-religious-will-the-world-be-in-2050/

The nonreligious are growing in raw numbers but decreasing in percentage terms. https://www.weforum.org/agenda/2015/10/how-religious-will-the-world-be-in-2050/ https://www.weforum.org/agenda/2015/10/how-religious-will-th... You don’t need to make up the remainder by going the other way, as I mentioned above: religious population growth comes from birth rates, not conversions.