AREA: 536,869 square kilometers 207,286 square miles Bordered by Saudi Arabia, Oman, the Red Sea and the Indian Ocean. Capital and biggest City: Sanaa. Aden was designated the economic capital under a 1990 merger agreement between the Yemen Arab Republic north and the Peoples Democratic Republic of Yemen south. Population of Yemen: 24,771,809 by july 2011 Yemen is the poorest country in the Arab world. It has extreme water scarcity, conflict, soaring food prices, a growing population and collapsing state services. Every night, a third of the Yemeni people (over 5 million people) go to bed hungry. Yemen’s malnutrition levels are among the world’s highest. In some parts of the country, one in three children is malnourished. .