| Category | Number of Languages | |
|---|---|---|
| 1 | Indefinite word distinct from numeral ‘one’ | 102 |
| 2 | Numeral ‘one’ as indefinite article | 112 |
| 3 | Indefinite affix on noun | 24 |
| 4 | No indefinite article but definite article | 98 |
| 5 | Neither indefinite nor definite article | 198 |
| Total | 534 | |