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How the crowd draws

472 drawings of its coast, from memory on Borderline’s World map, 23 September 2026 to 26 October 2026.

Draw Cuba

In numbers

Last updated on 27 October 2026
The real oneThe crowd’s
Area106,000 km²41,000 sq mi87,000 km²34,000 sq mi18.0% smaller
Outline3,872 km2,406 mi3,389 km2,106 mi12.5% shorter
Centre78.93° W, 21.63° N78.9° W, 21.6° N78.98° W, 21.67° N79.0° W, 21.7° N7 km north-west4 mi north-west
Westernmost84.95° W, 21.87° N84.9° W, 21.9° N84.23° W, 22.25° N84.2° W, 22.3° N74 km short46 mi short
Easternmost74.13° W, 20.22° N74.1° W, 20.2° N74.25° W, 20.21° N74.3° W, 20.2° N13 km short8 mi short
Southernmost77.70° W, 19.83° N77.7° W, 19.8° N77.68° W, 19.88° N77.7° W, 19.9° N6 km short3 mi short
Northernmost81.14° W, 23.21° N81.1° W, 23.2° N81.61° W, 23.11° N81.6° W, 23.1° N11 km short7 mi short

Near the coast, 57% run inland.

Coast

Why two lengths?

A line’s length depends on how closely it is drawn. The game’s lines are simplified: they keep a point every few kilometres and cut across small bends. The official lengths, from the CIA World Factbook, are measured on other lines. A border measured on a finer line, following every bend of its rivers and ridges, comes out longer.

Coasts differ most, and either way. Some official coastlines follow every inlet and island (Canada’s 202,080 km); others are smoothed on purpose, crossing bays and sounds (the United States’ 19,924 km), and can come out shorter than the game’s.

Players draw against the game’s line and are scored against it, so the crowd’s length is compared with the game’s, both measured the same way. Set against an official length measured another way, the comparison would say more about the two methods than about the crowd.

Cuba’s coast: 4,090 km in the game, 3,735 km officially.

Border withIn the gameThe crowd’s
The coast4,090 km in the game3,735 km officially3,579 km the crowd’s12.5% shorter

How it is measured

The crowd’s Cuba: every few km along the real line, each drawing’s nearest point, inside Cuba or outside it; the median over a short stretch is where the crowd puts the line there, and the real outline moved by it is the crowd’s. Where the move folds a narrow inlet over itself, the loop is cut.

The 472 drawings that scored 10 or more on Borderline’s World map, scribbles left out, the real line the game’s own. Area true to scale; the outline copies the real line’s detail, so its length changes only where the shape moves or a loop is cut.

40 small pieces of Cuba, 4,175 km² in all, keep their real shape, shown flat: islands no round asks players to draw, or too small to measure. They count in no figure.

Draw Cuba yourself and add your line to the next update.