| Country | Author (year) | Type of diabetes | Number | Survival (%) | |
| 5 Year | 20 Year | ||||
| Ethiopia | Lester 199262 | Type 1 | 431 | 96 | 63 |
| Tanzania | McLarty 199064 | Insulin-requiring | 272 | 59.5 | – |
| Type 2 | 825 | 81 | – | ||
| Indeterminate type | 153 | 43 | – | ||
| South Africa | Gill 200563 | Type 1 | 88 | – | 57 |