Global Population Density Outline
With a population density of 19,737 per square kilometer, Macao was China's most densely populated country in 2020. Monaco ranks second in population density, with 19,361 people per square kilometer. China and Monaco were the only countries with a population density of over 10,000 people per square kilometer. Singapore ranks third in population density, with 8,019 people per square kilometer in 2020. Following Singapore are Hong Kong and Gibraltar, with population densities of 7,126 and 3,369 per square kilometer, respectively. China, Monaco, Singapore, Hong Kong, and Gibraltar make up the five most densely populated countries in the world.
Population Density Overview of the United States
Between 2015-2021, the population density in the United States was the highest in the year 2021. Between 2015 to 2021, the population density of the US grew by 3.20%. On a year-on-year basis, the population density increased by 0.42% in 2021. The Population density reached 36.17 people per square kilometer in 2021.
Population Highlights of the United States in 2021
The country had a population of 331 million people in 2021, compared to 329 million in 2020, according to GlobalData estimates. During 2017-2020, the population of the country grew at an average annual rate of 1.8%. According to GlobalData, the population is expected to increase from 325.8 million in 2022 to 335.8 million in 2024. According to GlobalData, the population is expected to grow at an average annual rate of 0.4% during the period from 2022-2026.
Factors Affecting the Population Density of a Country
There are multiple physical factors including the terrain, climate, water supply, and soil that can affect the growth of population density of an individual country. Female infertility rates, Birth rates, healthcare facilities, increasing urbanization, immigration & emigration rates, education, and other social & cultural aspects are the secondary factors that affect the distribution and density of the population.
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