According to the results of the census in 2006 , the population of Khorasan Razavi province is 5536800, this province is one of the most populous province of the country. 2754560 women and 2762240 men .The population is rather young and 27/13 percent are less than 14 years old. In this province 67/67 percent are15 to 64 years old and 5/2 percent are older than 64 years old.About 3811800 persons live in cities and about 1725000 live in the villages.86/18 percent, older than 6 years are educated.The rate of the educated persons is 90/36percent in the cities and 77/08 percent in the villages.