Kingdom of Saudi Arabia المملكة العربية السعودية (Arabic) Al - Mamlakah Al - ʿĀrabīyah As - Saʿūdīyah Flag Emblem Motto: لا إله إلا الله ، محمد رسول الله "Lā ʾilāha ʾillāl -- lāh, Muhammadun rasūl allāh '' "There is no god but God; Muhammad is the messenger of God. '' (Shahada) Anthem: السلام الملكي (as an instrumental) "as - Salām al - Malakiyy '' "The Royal Salute '' Capital and largest city Riyadh 24 ° 39 ′ N 46 ° 46 ′ E ﻿ / ﻿ 24.650 ° N 46.767 ° E ﻿ / 24.650; 46.767 Official languages Arabic Ethnic groups citizenry: 90 % Arab 10 % Afro - Arab Religion Sunni Islam Demonym Saudi Arabian Saudi (informal) Government Unitary Islamic absolute monarchy King Salman Crown Prince Mohammad Legislature None Council of Ministers Consultative Assembly Establishment Kingdom founded 23 September 1932 Admitted to the United Nations 24 October 1945 Current constitution 31 January 1992 Area Total 2,149,690 km (830,000 sq mi) (12th) Water (%) 0.7 Population 2017 estimate 33,000,000 (40th) Density 15 / km (38.8 / sq mi) (216th) GDP (PPP) 2017 estimate Total $1.803 trillion (14th) Per capita $55,229 (12th) GDP (nominal) 2017 estimate Total $689.004 billion (20th) Per capita $21,100 (36th) HDI (2015) 0.847 very high 38th Currency Saudi riyal (SR) (SAR) Time zone AST (UTC + 3) Date format dd / mm / yyyy (AH) Drives on the right Calling code + 966 ISO 3166 code SA Internet TLD. sa السعودية.
what is the capital of saudi arabia country
24 ° 39 ′