open assembly is held by the emir and members of the royal family, in which any citizen has the right to come and voice their concerns openly. On the municipal level, each one has their local government under the umbrella of the Department of Municipal Affairs such as Abu Dhabi capital district, the Western Region Municipality, and the Eastern Region Municipality. State finances are mainly through the sale of oil. Any excess reserves are managed by the Abu Dhabi Investment Authority, which invests the money into various government projects. Demographics The extraordinary increase in population in the Emirate of Abu Dhabi during the past half-century has made the size, structure and distribution of the population a key concern for future development. The population of Abu Dhabi reached 1.968 million in mid-2010, with an average annual growth rate of 9.6% since 1960 - among the highest in the world. The total population has increased 99 times in 50 years. The number of citizens increased 39 times and Non-citizens 173 times in the half-century from 1960 to 2010. The most important reason behind the increase in the population growth of citizens is the increase in naturalization (before 1971, and later from other UAE emirates), while immigration constitutes the main factor in increasing the population overall. The resident population of the Abu Dhabi Emirate exceeded 2 million people in 2011. In mid-year 2011 the estimated population in Abu Dhabi Region was 1.31 million (61.8%), Al Ain Region 0.58 million (27.6%), and Al Gharbia 0.23 million (10.6%), making the total mid-year population for the Abu Dhabi Emirate 2.12 million. In Abu Dhabi, fertility is higher than in most developed regions of the world, and mortality remains extremely low. In 2011, Crude Birth Rates and Crude Death Rates among Citizens were 15.1 births per 1,000 people and 1.4 deaths per 1,000 people respectively. Economy Abu Dhabi GDP estimates in 2011 amounted to AED 806,031 million at current prices, compared with AED 620,316 million at current prices in 2010. This represents an annual growth rate of 29.9 per cent in 2011. Accordingly, the annual per capita gross domestic product amounted to AED 380.1 thousand in 2011. The total fixed capital formation was AED 199,001 million in 2011, while the compensation of employees amounted to AED 124,960 million in the same year. The main activities contributing to economic growth (GDP at constant prices) in 2011 were "Mining