New Jersey
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New Jersey has the highest population density in the United States with approximately 1,200 people per square mile.
Monaco, a small city-state on the French Riviera, has the highest population density in the world, with around 26,150 people per square kilometer. Its limited size and popularity as a luxury destination contribute to its dense population.
Macau also known as Macao, one of special administrative regions of the People's Republic of China, has the highest population density in the world with 18,534.247 people per km2 or 48,003.479 per mi2.
population density
Population density refers to the number of people living in a particular area, often measured as the number of individuals per square mile or kilometer. For example, New York City has a high population density due to its large number of inhabitants living in a relatively small area.
Population size refers to the total number of individuals in a specific area, while population density is the number of individuals per unit area. Population size gives the total count of individuals, while population density provides a measure of how crowded or sparse the population is in a given area.