Kingdom's total population reached 27,136,977 including 18,707,576 Saudis, according to the preliminary results of a general census. A statement issued Wednesday by the General Statistics and Information Department said of the 18, 707, 576 Saudi citizens, 9,527,173 (50.9 percent) are males and 9,180,403 (49.1 percent) are females. The statement said that there are 8,429,401 expatriates in the Kingdom, including 5,932,974 (70.4 percent) males and 2,496,427 (29.6 percent) females. Statistics show that there are 4,643,151 housing units in the Kingdom. As per the last general census conducted in September 2004, the total population of the Kingdom stood at 22,673,538 including 6,144,236 expatriates. It estimated the number of houses and residential flats in the Kingdom at 3,990,559. Detailed results of the census will be published as they are completed, said the statement.