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The Most Multilingual Countries in the World
From Papua New Guinea's 800+ languages to everyday multilingual fluency in small European nations, here's where linguistic diversity is highest.
Countries with the Most Official Languages
Some countries officially recognize a dozen languages or more. Here are the countries with the most official languages in the world.
The Oldest Countries in the World by Median Age
Some countries now have a median age near 50. Here are the oldest countries in the world and why their populations are…
The Youngest Countries in the World by Median Age
In some countries, half the population is under 16. Here are the youngest countries in the world by median age.
Countries with Declining Populations
While some nations boom, others are shrinking. Here are the countries with declining populations and why it's happening.
Countries with the Fastest Growing Populations
Population growth today is concentrated overwhelmingly in one region. Here is who is growing fastest, and why.
August 14, 2026Countries with the Lowest Population Density
Some countries have entire regions with almost no one living in them. These are the least densely populated nations on Earth.
Countries with the Highest Population Density
Population density measures crowding, not just size. Here are the most densely populated countries on Earth.
Least Populous Countries in the World
Some countries have fewer residents than a large office building. Here are the least populous countries in the world, ranked.
Most Populous Countries in the World (Full Ranking)
India and China alone account for roughly a third of humanity. Here is the full ranking of the most populous countries in…