| Number of signers | Answer | % Correct |
|---|---|---|
| 500,000 | American Sign Language | 92%
|
| unknown | Chinese Sign Language | 85%
|
| 50,000-150,000 | French Sign Language | 78%
|
| 320,000 | Japanese Sign Language | 77%
|
| 121,000 | Russian Sign Language | 76%
|
| 100,000 | Spanish Sign Language | 75%
|
| 125,000 | British Sign Language | 73%
|
| 50,000 | German Sign Language | 72%
|
| 2.7M | Indo-Pakistani Sign Language | 59%
|
| 14,000 | Auslan | 56%
|
| 3M | Brazilian Sign Language (Libras) | 53%
|
| 87,000-100,000 | Mexican Sign Language | 50%
|
| 20,000 | Dutch Sign Language | 49%
|
| >8,000 | Swedish Sign Language | 48%
|
| 185,000 | Norwegian-Malagasy Sign Language | 46%
|
| 40,000 | Irish Sign Language | 45%
|
| 43,000 | Greek Sign Language | 41%
|
| 24,000 | New Zealand Sign Language | 40%
|
| 30,000 | Yugoslav Sign Language | 32%
|
| 350,000 | Hungarian Sign Language | 22%
|
| 340,000 | Kenyan Sign Language | 20%
|
| 24,000 | Malaysian Sign Language | 19%
|
| 188,000 | Ecuadorian Sign Language | 17%
|
| 18,000 | Catalan Sign Language | 5%
|
| 20,000 | Hong Kong Sign Language | 4%
|