rank     city         province  date of official foundation of municipality     2006     1996     1986     1976     1966     1956
0     1   tehran           tehran                                         1885  7705036  6758845  6042584  4530223  2719730  1512082
1     2  mashhad  razavi khorasan                                         1918  2410800  1887405  1463508   667770   409616   241984
2     3  esfahān          esfahān                                         1928  1602110  1266072   986753   661510   424045   254708
3     4   tabriz  east azarbaijan                                         1917  1398060  1191043   971482   597976   403413   289996
4     5    karaj           alborz                                         1934  1377450   940968   611510   137926    44243    14526
5     6   shiraz             fars                                         1950  1227311  1053025   848289   425813   269865   170659

Table as JSON:
{"rank":{"0":1,"1":2,"2":3,"3":4,"4":5,"5":6},"city":{"0":"tehran","1":"mashhad","2":"esfahān","3":"tabriz","4":"karaj","5":"shiraz"},"province":{"0":"tehran","1":"razavi khorasan","2":"esfahān","3":"east azarbaijan","4":"alborz","5":"fars"},"date of official foundation of municipality":{"0":1885,"1":1918,"2":1928,"3":1917,"4":1934,"5":1950},"2006":{"0":7705036,"1":2410800,"2":1602110,"3":1398060,"4":1377450,"5":1227311},"1996":{"0":6758845,"1":1887405,"2":1266072,"3":1191043,"4":940968,"5":1053025},"1986":{"0":6042584,"1":1463508,"2":986753,"3":971482,"4":611510,"5":848289},"1976":{"0":4530223,"1":667770,"2":661510,"3":597976,"4":137926,"5":425813},"1966":{"0":2719730,"1":409616,"2":424045,"3":403413,"4":44243,"5":269865},"1956":{"0":1512082,"1":241984,"2":254708,"3":289996,"4":14526,"5":170659}}