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How the crowd draws

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

Draw Taiwan

In numbers

Last updated on 27 October 2026
The real oneThe crowd’s
Area36,000 km²14,000 sq mi34,000 km²13,000 sq mi6.0% smaller
Outline1,018 km633 mi923 km573 mi9.4% shorter
Centre120.96° E, 23.75° N121.0° E, 23.7° N120.98° E, 23.73° N121.0° E, 23.7° N3 km south-east2 mi south-east
Westernmost120.05° E, 23.06° N120.1° E, 23.1° N120.13° E, 23.15° N120.1° E, 23.1° N8 km short5 mi short
Easternmost122.01° E, 25.00° N122.0° E, 25.0° N121.85° E, 24.95° N121.8° E, 25.0° N16 km short10 mi short
Southernmost120.84° E, 21.91° N120.8° E, 21.9° N120.84° E, 22.05° N120.8° E, 22.0° N15 km short10 mi short
Northernmost121.54° E, 25.29° N121.5° E, 25.3° N121.54° E, 25.22° N121.5° E, 25.2° N7 km short5 mi short

Near the coast, 56% 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.

Taiwan’s coast: 1,028 km in the game, 1,566 km officially.

Border withIn the gameThe crowd’s
The coast1,028 km in the game1,566 km officially932 km the crowd’s9.3% shorter

How it is measured

The crowd’s Taiwan: every few km along the real line, each drawing’s nearest point, inside Taiwan 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 422 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.

7 small pieces of Taiwan, 341 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 Taiwan yourself and add your line to the next update.