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How the crowd draws

368 drawings of its land border, from memory on Borderline’s World map, 16 September 2026 to 27 October 2026.

In numbers

Last updated on 27 October 2026
The real oneThe crowd’s
Area401,000 km²155,000 sq mi394,000 km²152,000 sq mi1.8% smaller
Outline3,199 km1,988 mi3,112 km1,934 mi2.7% shorter
Centre58.44° W, 23.21° S58.4° W, 23.2° S58.50° W, 23.22° S58.5° W, 23.2° S7 km west4 mi west
Westernmost62.65° W, 22.24° S62.6° W, 22.2° S62.69° W, 21.51° S62.7° W, 21.5° S5 km beyond3 mi beyond
Easternmost54.25° W, 24.04° S54.3° W, 24.0° S54.39° W, 24.08° S54.4° W, 24.1° S14 km short9 mi short
Southernmost56.43° W, 27.55° S56.4° W, 27.6° S56.44° W, 27.50° S56.4° W, 27.5° S5 km short3 mi short
Northernmost59.09° W, 19.29° S59.1° W, 19.3° S59.84° W, 19.32° S59.8° W, 19.3° S4 km short2 mi short

Near the land border, 53% of the crowd’s lines run inside Paraguay.

Borders

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.

Paraguay and Argentina: 1,471 km in the game, 2,531 km officially.

3 neighbours
Border withIn the gameThe crowd’s
Argentina1,471 km in the game2,531 km officially1,417 km the crowd’s3.7% shorter
Brazil994 km in the game1,371 km officially977 km the crowd’s1.7% shorter
Bolivia742 km in the game753 km officially726 km the crowd’s2.2% shorter

How it is measured

The crowd’s Paraguay: every few km along the real line, each drawing’s nearest point, inside Paraguay 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 368 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.

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