Type 1 diabetes in Seychelles
T1D Index estimates for 2025 · IDF Africa region · High-Income country
An estimated 460 people are living with type 1 diabetes in Seychelles in 2025. Each year about 29 people are newly diagnosed and 11 people with T1D die. A further 191 people would be alive today had they not died early from type 1 diabetes.
People living with T1D
460
New diagnoses this year
29
Deaths this year
11
Missing people
191
Expected age at death, diagnosed at 10
49.2years
How many people have type 1 diabetes in Seychelles?
460 people in Seychelles are living with type 1 diabetes in 2025, or 346.4 per 100,000 people. That is higher than the Africa average of 29.7 per 100,000 and higher than the global average of 115.5. Seychelles has the 164th-largest number of people living with T1D of the 202 countries in the T1D Index, and the 40th-largest of the 49 countries in the IDF Africa region.
For every 100 people living with T1D in Seychelles, another 42 are missing: people who would be alive today had they not died early from T1D.
Is type 1 diabetes increasing in Seychelles?
The number of people living with T1D in Seychelles went from 102 in 2000 to 460 in 2025, and is projected to rise to 689 by 2040 (+50%).
| Year | Living with T1D | New diagnoses | Deaths | Missing people |
|---|---|---|---|---|
| 2000 | 102 | 9 | 3 | 40 |
| 2010 | 188 | 15 | 5 | 74 |
| 2020 | 354 | 23 | 8 | 143 |
| 2025 | 460 | 29 | 11 | 191 |
| 2030 (projected) | 562 | 37 | 16 | 249 |
| 2040 (projected) | 689 | 36 | 21 | 383 |
What is the life expectancy with type 1 diabetes in Seychelles?
A 10-year-old diagnosed with type 1 diabetes in Seychelles today is expected to live to 49.2, compared with 74.1 for a 10-year-old without T1D: 24.9 years of life lost. Counting years lived with complications as well, T1D costs 32.9 years of healthy life at today's level of care. If everyone received timely diagnosis, insulin and test strips, and insulin pumps and CGMs, that loss would fall to 14.8 years.
| Level of care | Healthy years restored | Healthy years of life | Healthy years still lost |
|---|---|---|---|
| Current level of care | – | 41.2 | 32.9 |
| + Timely diagnosis for everyone | – | 41.2 | 32.9 |
| + Insulin and test strips for everyone | +11.0 | 52.2 | 21.9 |
| + Insulin pumps and CGMs for everyone | +7.1 | 59.3 | 14.8 |
How does Seychelles compare?
| 2025 | Seychelles | Africa | World |
|---|---|---|---|
| People living with T1D per 100,000 | 346.4 | 29.7 | 115.5 |
| New diagnoses per 100,000 | 21.6 | 4.0 | 6.2 |
| Missing people per 100 living with T1D | 41.5 | 160.4 | 43.0 |
| Expected age at death, 10-year-old with T1D | 49.2 | 24.4 | 51.3 |
| Expected age at death, 10-year-old in general population | 74.1 | 67.5 | 77.0 |
Type 1 diabetes in other Africa countries
- Togo751 living with T1D
- Equatorial Guinea719 living with T1D
- Burkina Faso606 living with T1D
- Mauritania502 living with T1D
- Eswatini450 living with T1D
- Liberia386 living with T1D
- Comoros364 living with T1D
- Central African Republic283 living with T1D
More data
All figures are T1D Index version 3.0 estimates for all ages. Missing people are those who would be alive today had they not died early from type 1 diabetes. Expected age at death is for a 10-year-old. See Data & Methods for how the estimates are made and the peer-reviewed publications behind them.