The population of the Kingdom of Saudi Arabia amounted to 27,136,977, out of whom 8,429,401 were expatriates, a preliminary report by the Public Statistics and Information Department which recently conducted a countrywide census said today. In a statement, the authority said the figures, still under revision, reflect the number of population as of April 27, 2010. According to the preliminary results, the total number of Saudi Arabia's population amounted to 27,136,977, out of whom Saudi citizens reached 18,707,576, including 9,527,173 males representing 50.9 percent and 9,180,403 females. The number of expatriates amounted to 8,429,401 out of whom 5,932,974 were males representing 70.4 percent. The number of homes in Saudi Arabia amounted to 4,643, 151, according to the statement. More details will be published later after verification, it added.