Is that a statistic for the United States?
If that is true, and I don't doubt, it can only bring very deep confusion to the country in the long run, and certainly God will withhold His holy hand from blessing the nation that has taken this course in its morality.
I lay a very great share of the blame and responsibility upon the "Christian" churches in our land which preach only what men want to hear, and not the Truths of God from His Word. Mere civic clubs they have become !
Scientific studies of such seem to be more around 4% or so. Not sure why there is such a discrepancy - but 4%, although still high, seems more reasonable.
One can tell by relative human testes size that there is some “competition” to establish paternity. It seems somewhat ‘hard wired’ in human nature. Not that one shouldn't strive to overcome such animalstic urges.