The United Nations has formally shifted its cartographic standards to adopt a map that provides a true-to-scale depiction of the African continent. The decision comes amid long-standing criticism that standard global charts severely misrepresent geographic dimensions, particularly by shrinking regions near the equator while enlarging areas closer to the poles.
For more than four centuries, the prevailing standard has been the Mercator projection. Developed in 1569 by Flemish cartographer Gerardus Mercator, the chart was originally engineered as an essential tool for maritime navigation. By widening grid lines toward the poles to preserve compass angles and straight lines, the projection inadvertently distorted relative land sizes.
Under the Mercator system, countries positioned near the equator appear significantly smaller than their actual dimensions, whereas high-latitude regions look vastly inflated. A frequently cited example of this discrepancy is the visual comparison between Greenland and Africa. On a standard Mercator map, the two landmasses appear nearly identical in scale, even though the African continent is roughly fourteen times larger in reality.
Despite its age, the Mercator design remains deeply embedded in modern daily life, serving as the underlying template for classroom textbooks, digital television broadcasts, and online navigation platforms like Google Maps. However, geographers and regional advocates argue that these geometric distortions carry psychological and political consequences. Because human perception tends to associate physical size with global importance, critics contend that traditional maps have inadvertently marginalized Africa's economic weight, population scale, and natural wealth.
To resolve these geographic imbalances, the United Nations General Assembly adopted the Equal Earth resolution, endorsing a layout that maintains proportional accuracy among landmasses. Originally formulated in 2018 by a collaborative team of cartographers, the Equal Earth projection earned initial backing from dozens of African Union members before achieving broader international acceptance.
Yet, cartographic experts emphasize that flattening a three-dimensional globe onto a two-dimensional surface always requires compromise. University College London mapping specialist James Cheshire notes that flat projections can preserve accurate areas, shapes, or directional distances, but it is mathematically impossible to retain all attributes simultaneously without reverting to a spherical model.
Consequently, alternative projections come with distinct compromises. The Equal Earth map successfully balances landmass areas, but it discards the reliable straight-line navigational grid that made the Mercator projection so effective for sailors. Other historical attempts, such as the Gall-Peters projection introduced in the 1970s, managed to correct regional scale ratios but resulted in severe geometric stretching, leaving continents near the equator looking elongated and polar zones heavily compressed.
As international institutions transition to the Equal Earth layout, the update highlights an enduring reality of cartography. Every flat world map represents a deliberate set of choices, balancing the demands of navigation, visual familiarity, and proportional truth.
Reporting based on coverage first published by BBC News. Read the original report at BBC News.
