T1D Index estimates for 2025 · IDF Africa region · Low-Income country
An estimated 1,015 people are living with type 1 diabetes in Mayotte in 2025. Each year about 77 people are newly diagnosed and 30 people with T1D die. A further 744 people would be alive today had they not died early from type 1 diabetes.
People living with T1D
1,015
New diagnoses this year
77
Deaths this year
30
Missing people
744
Expected age at death, diagnosed at 10
44.3years
How many people have type 1 diabetes in Mayotte?
1,015 people in Mayotte are living with type 1 diabetes in 2025, or 301.1 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. Mayotte has the 151st-largest number of people living with T1D of the 202 countries in the T1D Index, and the 33rd-largest of the 49 countries in the IDF Africa region.
For every 100 people living with T1D in Mayotte, another 73 are missing: people who would be alive today had they not died early from T1D.
Is type 1 diabetes increasing in Mayotte?
The number of people living with T1D in Mayotte went from 180 in 2000 to 1,015 in 2025, and is projected to rise to 2,404 by 2040 (+137%).
People living with type 1 diabetes in Mayotte, 2000–2040. Solid line: modelled estimates to 2025; dashed line: projection to 2040.
Type 1 diabetes in Mayotte over time, all ages
Year
Living with T1D
New diagnoses
Deaths
Missing people
2000
180
16
15
251
2010
371
32
18
403
2020
740
56
26
607
2025
1,015
77
30
744
2030 (projected)
1,400
115
42
912
2040 (projected)
2,404
148
59
1,363
What is the life expectancy with type 1 diabetes in Mayotte?
A 10-year-old diagnosed with type 1 diabetes in Mayotte today is expected to live to 44.3, compared with 77.3 for a 10-year-old without T1D: 33.0 years of life lost. Counting years lived with complications as well, T1D costs 41.7 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 13.7 years.
Healthy years of life for a 10-year-old diagnosed with T1D in Mayotte, as each level of care is added in turn
Level of care
Healthy years restored
Healthy years of life
Healthy years still lost
Current level of care
–
35.6
41.7
+ Timely diagnosis for everyone
+8.7
44.3
33.0
+ Insulin and test strips for everyone
+14.9
59.2
18.1
+ Insulin pumps and CGMs for everyone
+4.4
63.6
13.7
How does Mayotte compare?
Type 1 diabetes in Mayotte compared with the Africa region and the world, 2025
2025
Mayotte
Africa
World
People living with T1D per 100,000
301.1
29.7
115.5
New diagnoses per 100,000
22.9
4.0
6.2
Missing people per 100 living with T1D
73.3
160.4
43.0
Expected age at death, 10-year-old with T1D
44.3
24.4
51.3
Expected age at death, 10-year-old in general population
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.
