I know that Chile used to be the record holder in this category, but the government finally approved a divorce law (just in time for me to take my vacation in Chile! Woo hoo!)
So, which predominantly Christian countries now do not allow divorce?
Does Vatican City count?
Well, yeah, but only to 28. :rolleyes: Place your bets, gentlemen.
Was that too obscure? Rhythm method=Vatican roulette=betting on the right night=boy, I hate to explain 'em. 
It would count, but I’m sure that some other country is bigger (even if it’s just somebody like Andorra), and I doubt that many of the Vatican’s permanent residents are married.
Philippines.
According to a similar
BBC article,
And the Philippines is definitely not a small country. In fact, the Philippines has a lot more people than Chile. I should double-check the qualifier used in my Chilean travel guide.