Abu Dhabi is the capital and second most populous city in the United Arab Emirates (UAE). Approximately 1.45 million people live in Abu Dhabi – 80% of which are expatriates. It is one of the world’s largest producers of oil, and is one of the world’s financial superpowers. Abu Dhabi is the wealthiest emirate of the UAE – due largely to Gross Domestic Product and per capita income. The average net worth of Abu Dhabi’s citizens is AED 62 million (US$ 17 million). More than 1$ trillion is invested worldwide in this city alone. It is ranked third in the world for GDP. The Abu Dhabi Investment Authority (ADIA) is Abu Dhabi’s sovereign wealth fund, and is the world’s wealthiest. It currently holds an estimated US$ 875 billion.