Iwate Prefecture - Demographics

Demographics

The current population of Iwate as of 1 October 2007 is 1,363,702 consisting of 651,730 males and 711,972 females.

The earliest census records date from 1907 when the population of Iwate stood at 770,406 with 389,490 males and 380,916 females. This is also the only census to record more males than females.

In 1935 Iwate's population surpassed a million reaching 1,095,793.

In 1985 the population of the prefecture reached its all-time high before or since at 1,433,611.

The census of 1950 saw the most births in the prefecture with 45,968 reported. Since then there has been an almost steady decline to 10,344 births in 2007. The greatest number of deaths were reported in 1945 with a total of 32,614. The number of deaths declined steadily until 1980 when the fewest deaths were recorded, 9,892. Since then the number of deaths has increased gradually to 14,774 in 2007.

Thanks to improvements in medicine the number of infants dying at birth has declined from a high of 4,246 in 1950 to just 332 in 2007.

The number of marriages in the prefecture has also declined from a high of 13,055 in 1950 to an all-time low of 6,354 in 2007.