| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | birth certificate | Nigeria | Not always issued or considered necessary, especially in rural areas. | 1 |
| 2 | certificate | Nigeria | Certificates are often required as proof of completion for important ceremonies or rituals, such as marriage certificates, birth certificates, and religious initiation certificates. | 1 |
| 3 | certificate | Nigeria | Certificates are often required as proof of qualifications for employment or further education. | 1 |