As of 2021, the population of Dubai is estimated to be around 3.4 million people. Dubai is the most populous city in the United Arab Emirates (UAE) and is home to a diverse mix of people from around the world.

Dubai has experienced rapid population growth in recent decades due to its economic development and its status as a major hub for trade, tourism, and financial services. The city has attracted many expatriates from other countries, and around 85% of the population is foreign-born.

The population of Dubai is diverse, with a mix of Arab, South Asian, and other ethnicities. The official language of the UAE is Arabic, and Islam is the dominant religion. However, Dubai is a cosmopolitan city with a diverse culture, and many other languages are spoken in the city.