| True area | On the old Mercator map | Distortion vs truth |
|---|
| Kazakhstan | 2,712,747 km² | 6,157,936 km² | 2.3× |
| Greenland | 2,154,754 km² | 25,447,645 km² | 11.8× |
| Africa | 30,370,000 km² | — | 1× |
Old maps drew Kazakhstan at about 6,157,936 km² km². The truth is 2,712,747 km² km² — a difference of 127%% that school atlases carried for centuries.