Republic of Yemen ٱلْجُمْهُورِيَّة ٱلْيَمَنِيَّة (Arabic) Flag Emblem Motto: الله، ٱلْوَطَن، ٱلثَوْرَة، ٱلْوَحْدَة (Arabic) Allāh, al-Waṭan, ath-Thawrah, al-Waḥdah “God, Country, Revolution, Unity” Anthem: United Republic (Arabic: الجمهورية المتحدة‎, translit. al-Jumhūrīyah al-Muttaḥidah) Location of Yemen (green) Capital Sana'a (de jure) Largest city Sana'a Official languages Arabic Ethnic groups Arab 92.8% Somalis 3.7% Afro-Arab 1.1% Indo-Pakistani 1% Other 1.4% Religion Islam Demonym(s) Yemeni, Yemenite Government Unitary provisional government • President Abdrabbuh Mansur Hadi • Vice President Ali Mohsen al-Ahmar • Prime Minister Maeen Abdulmalik Saeed • President of the Supreme Political Council Mahdi al-Mashat • Prime Minister of the Supreme Political Council Abdel-Aziz bin Habtour Legislature House of Representatives Establishment • North Yemen establisheda 30 October 1918 • Yemen Arab Republic established 26 September 1962 • South Yemen independenceb 30 November 1967 • Unification 22 May 1990 • Current constitution 16 May 1991 Area • Total 527,968 km2 (203,850 sq mi) (49th) • Water (%) negligible Population • 2016 estimate 27,584,213[1] (48th) • 2004 census 19,685,000[2] • Density 44.7/km2 (115.8/sq mi) (160th) GDP (PPP) 2018 estimate • Total $39.267 billion[3] • Per capita $1,274[3] GDP (nominal) 2018 estimate • Total $13.840 billion[3] • Per capita $449[3] Gini (2014) 36.7[4] medium HDI (2017) 0.452[5] low · 178th Currency Yemeni rial (YER) Time zone UTC+3 (AST) Driving side right[6] Calling code +967 ISO 3166 code YE Internet TLD .ye, اليمن. From the Ottoman Empire. From the United Kingdom.