Type 1 diabetes affects 9,500,194 people around the world.

Diagnoses are growing rapidly

People newly diagnosed with T1D (2025)

In 2025 alone,
513,125 people were newly diagnosed with T1D worldwide, with an estimated diagnosis rate of 89%.

People newly diagnosed with T1D (2025)

513,125

Access to care (2025)

338,662 (66%) of people diagnosed globally last year have access to advanced care, while
174,462 (34%) have access to basic care.

People newly diagnosed with T1D, with access to advanced care (2025)

338,662

People newly diagnosed with T1D, with access to basic care (2025)

174,462

Lives lost to T1D (2025)

Around the world,
173,516 lives were lost to T1D in 2025.

Lives lost to T1D (2025)

173,516

Diagnosis status of lives lost to T1D (2025)

Of the 173,516 lives lost globally in 2025,
29,821 (17%) were never diagnosed with T1D.

Lives lost to diagnosed T1D (2025)

143,695

Lives lost to undiagnosed T1D (2025)

29,821

The true impact

The full picture: new vs all

2025’s new diagnoses represent just a fraction of the
9,500,194 people globally living with T1D. People who lost their life to T1D in 2025 make up a small number of the
4,084,009 "missing people" that could otherwise be alive today.

People newly diagnosed with T1D (2025)

513,125

89% diagnosed

People with T1D, with access to advanced care

6,270,128

People with T1D, with access to basic care

3,230,065

Missing people, diagnosed

3,415,336

Missing people, undiagnosed

668,673

New
2025

2024 and
prior

Long-term trends (global)

The number of people with T1D will continue to rise. In 2040, the number of people with T1D worldwide will reach 14,737,076 people. Globally, there will be 6,658,595 lives lost to T1D.

People with T1D, with access to advanced care (2025)

6,270,128

People with T1D, with access to basic care (2025)

3,230,065

Future trends

People with T1D over time

Missing people, diagnosed (2025)

3,415,336

Missing people, undiagnosed (2025)

668,673

Future trends

Missing people over time

See the numbers

All people with T1D in the world in 2025

Of the 9,500,194 people living with T1D, 6,270,128(66%) have access to advanced care and 3,230,065 (34%) have access to basic care.

New
2025

2024 and
prior

There are 4,084,009 missing people that would otherwise be alive had they not prematurely died due to T1D. 3,415,336 (84%) of them were diagnosed and 668,673 (16%) were never diagnosed.

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How the model works

Type 1 diabetes affects 9,500,194 people around the world.

Diagnoses are growing rapidly

People newly diagnosed with T1D (2025)

In 2025 alone, 513,125 people were newly diagnosed with T1D worldwide, with an estimated diagnosis rate of 89%.

Access to care (2025)

338,662 (66%) of people diagnosed globally last year have access to advanced care, while 174,462 (34%) have access to basic care.

Lives lost to T1D (2025)

Around the world, 173,516 lives were lost to T1D in 2025.

Diagnosis status of lives lost to T1D (2025)

Of the 173,516 lives lost globally in 2025, 29,821 (17%) were never diagnosed with T1D.

The true impact

The full picture: new vs all

2025’s new diagnoses represent just a fraction of the 9,500,194 people globally living with T1D. People who lost their life to T1D in 2025 make up a small number of the 4,084,009 "missing people" that could otherwise be alive today.

Long-term trends (global)

The number of people with T1D will continue to rise. In 2040, the number of people with T1D worldwide will reach 14,737,076 people. Globally, there will be 6,658,595 lives lost to T1D.

See the numbers

Filters

In 2025 alone,
513,125 people were newly diagnosed with T1D worldwide, with an estimated diagnosis rate of 89%.

338,662 (66%) of people diagnosed globally last year have access to advanced care, while
174,462 (34%) have access to basic care.

Around the world,
173,516 lives were lost to T1D in 2025.

Of the 173,516 lives lost globally in 2025,
29,821 (17%) were never diagnosed with T1D.

2025’s new diagnoses represent just a fraction of the
9,500,194 people globally living with T1D. People who lost their life to T1D in 2025 make up a small number of the
4,084,009 "missing people" that could otherwise be alive today.