The total population's %30 of Istanbul are living in Asian side.
The unemployment immigrations are getting dense in Europeside due to more opportunity to find jobs here.
The estimating population according years:
1453 37 000
1914 910 000
1927 680 000
1945 845 000
1960 1 466 500
1980 2 772 700
2000 8 803 500
2006 10 034 850
Even above figures are official but we guess the living and moveable population in Istanbul is about 16 - 17 millions amount.
In very close future, Turkey will fixed up real population in every minutes by using computerised census.
Asian side inhabitants are luckier than Europeside's, due to the reason of population density.