Changes

For the sake of argument let’s assume that’s correct. Let us assume that we do not have a religious identity until we are 4. That gives us three age cohorts that must be taken out of the equation entirely.

For the sake of argument let’s assume that’s correct. Let us assume that we do not have a religious identity until we are 4. That gives us three age cohorts that must be taken out of the equation entirely.

In 2010 there were ~4 million births in the US. That was a decrease of 3% from the 2009 levels but we’ll use it.<ref>http://www.economist.com/blogs/dailychart/2011/11/us-birth-rates</ref> That means that at any given time there are ~12 million children ages 0–3 who have no religious affiliation. ~3/4 of those, around 9 million, are “Christian.

In 2010 there were ~4 million births in the US. That was a decrease of 3% from the 2009 levels but we’ll use it.<ref>https://www.economist.com/blogs/dailychart/2011/11/us-birth-rates</ref> That means that at any given time there are ~12 million children ages 0–3 who have no religious affiliation. ~3/4 of those, around 9 million, are “Christian.

And what about in the world at large? The world-wide birth rate for 2010 was 19.5 births for every 1,000 people.<ref>http://www.indexmundi.com/g/g.aspx?c=xx&v=25</ref> Doing the math that gives us ~136.5 million people were born in 2010 around the world. Once again, calculating for children ages 0-3 we get ~409 million children around the world without a religious affiliation. ~135 million of which are “Christian.”

And what about in the world at large? The world-wide birth rate for 2010 was 19.5 births for every 1,000 people.<ref>http://www.indexmundi.com/g/g.aspx?c=xx&v=25</ref> Doing the math that gives us ~136.5 million people were born in 2010 around the world. Once again, calculating for children ages 0-3 we get ~409 million children around the world without a religious affiliation. ~135 million of which are “Christian.”