Qazwin is one of the 30 provinces of Iran. It is in the north-west of the country, and its center is the city of Qazvin. The province was created in 1996 out of part of Zanjan Province. The population of the province is 1.14 million people (2006) of which 68.05% live in the cities and 31.95% live in the villages. Concerning the sex-ratio, the ratio of men to women is 50.7 to 49.3%. 99.61% of the province populations are Muslims and 0.39% of the rest come from other religions. The literacy rate is a bit higher than 82% which represents the 7th rank in Iran.