Sudan ↗
Area source: World Bank / FAO: surface area
Sudan is slightly larger: 1,878,000 km² versus 1,759,540 km² for Libya, a difference of about 7%.
Both areas at the same scale: Sudan and Libya. Drag the outlines, separate them and see what the Mercator map hides.
Drag the outlines to overlap them, or place them side by side.
Area source: World Bank / FAO: surface area
Area source: World Bank / FAO: surface area
True area tells a different story than the Mercator map.
The Mercator projection enlarges areas more and more the farther they lie from the equator. The centers of the two areas lie about 16° (Sudan) and 27° (Libya) from the equator. An estimate based on each center’s latitude gives an area ratio of 1.09 : 1, compared with the real ratio of 1.07 : 1. This is not a measurement of the entire outlines on a Mercator map.
Tip: You can also compare these items dynamically by clicking the link below and dragging them directly across the global interactive map.
Figures represent total surface area from the sources listed beside each subject. The overlay uses an equal-area projection. Coastal outlines are simplified and do not include all waters counted in the statistics. Their area ratio can therefore differ from the ratio of official total areas. Geometry: Natural Earth, public domain. Read the methodology ↗
The Mercator projection preserves angles, which makes it useful for navigation, but it enlarges areas more and more the farther they lie from the equator. At 60° latitude, areas already appear four times larger than at the equator. A same-scale comparison like the one on this page greatly reduces that distortion.