According to the CIA World Factbook, the estimated total population of the Gaza Strip as of 2023 is 2 million people. NPR reports that nearly half of Gazas population is under age 18, with 47.3% of the population being children. The population of Gaza has an annual growth rate of 1.99% . Gaza is one of the most densely populated places on earth, with around 4,091 people per square kilometer. The majority of Palestinians in Gaza are Sunni Muslims, with a Palestinian Christian minority.