According to the search results, the population of the Gaza Strip is estimated to be around 2.1 million people. The Gaza Strip is considered one of the most densely populated areas in the world, with a population density of 14,029 people per square mile. The majority of the population are Palestinian Arabs, with Sunni Muslims making up the predominant part of the population. The population of Gaza has an annual growth rate of 2.91%, which is the 13th highest in the world. The population of Gaza is very young, with about 75% of the population under the age of 25.