Indeed and Israel is lower because of they included Arabs who make up 25-30%
Naysayers will also say IQ tests even if the universal sorts of tests not based on contemporary knowledge but more on pattern and shape and other cognitive markers are indeed a social construct as well
Hence they always have a reply to deny what they see around them
Its just an excuse to not have to accept the harsh reality of the human existence
Im not bitter that my Scots Irish Anglo southern ancestry is likely not as smart as Jews or high Chinese or Germans
I do the best with what Ive got as did my hardscrabble kin going back to plowshares and pikes days of lore long ago did long ago
Im curious who tested Mongolia ..lol
Im suspect on that one
My cousin married a Mongolian girl
Schwin
Kinda like the bicycle
Shes very pretty and clever
Mongolia has a lot of semi tribal folk but they always had a rigid communist compulsory education platform