my points per turn drop from 115 to 72 in 110 turns.80 turs ago i maxim. my terrotory and population.i am now 1960 and this happened from 1750.maxi pop and terrorory at 1780.
is that normal or i made a mistake.?????thanks all..

Yes, that's perfectly normal. Once you are running out of food, there isn't much you can do.