Figures for the population density per square inch are not available, but they are available per square kilometre.
Monaco is a s principality or sovereign-state, not a country, but it has the densest population, with 36,242 people per square kilometre (see the related link below).
Singapore is listed by some sources as a country, and by others as a city-state. Nonetheless, it comes next, with a population density of 7,565 people per square kilometre. (The administrative regions of Hong Kong and Macau belong to China and are not recognised as countries, though their density is higher than that of Singapore.)
Of the undisputed countries, the one that is most densely populated for its area is Malta, with 1,304 people per square kilometre.
Given the above information, if one really needed to know the answer per square inch, one would just need to do a search on the internet for "convert square km to square inches".
BELGIUM'S 7,074,910.; makes it Europe's Most Densely Populated Country -- Big Majority Women.
Sweden is the most populated Scandinavian country.
Algiers is the most populated
Australia is the only populated country in Australia; therefore it is also the most highly populated country in Australia.
Belize is the most sparsely populated country in Central America with only 14 people per square kilometre.
Monaco with a population density of about 16,900 people per square kilometer.
Mongolia is considered one of the most sparsely populated countries in the world. Its vast size and harsh climate contribute to a low population density, with much of the country being uninhabited or sparsely populated.
India is the second most populated country in the world, after China.
China is the most populated country in the world. -2021
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Asia's most densely populated country is Monaco, with a population density of around 26,000 people per square kilometer, although it is often considered a city-state rather than a traditional country. The least densely populated country in Asia is Mongolia, where vast expanses of land result in a population density of about 2 people per square kilometer. This stark contrast highlights the diverse population distribution across the continent.
India is the second most populated country in the world, after China.