This site called Long Bets has some weird stuff.
"By 2060 the total population of humans on earth will be less than it is today."
"China will be considered a Christian nation, with at least 33% of its residents identifying themselves as Christians, by the year 2085."
"There will be only three significant currencies used in the world by 2063. More than 95 % of the countries in the world will use one of them."
"A machine capable of passing the Turing Test will be made in 2075 using only hardware that was available in 2005."