Population density is the number of people per unit of area. According to Our World in Data, the global average is 62 people per km² (0.38 mi²), but this varies by region. Islands often have higher population densities relative to their geographic size.
From Sardinia to Honshu, this gallery covers the most densely populated islands on the planet (excluding those with minimal land areas). Curious to know which one takes the top spot? Then click on!