Sunday, May 22, 2016

Diabetes Statistics: U.S. and Worldwide

U.S. Diabetes Statistics

Data from the 2011 National Diabetes Fact Sheet (Jan. 26, 2011)

Total prevalence of diabetes

Total: 25.8 million children and adults in the United States—8.3% of the population—have diabetes.
Diagnosed: 18.8 million people
Undiagnosed: 7.0 million people
Prediabetes: 79 million people*
New Cases: 1.9 million new cases of diabetes are diagnosed in people aged 20 years and older in 2010.
* In contrast to the 2007 National Diabetes Fact Sheet, which used fasting glucose data to estimate undiagnosed diabetes and prediabetes, the 2011 National Diabetes Fact Sheet uses both fasting glucose and A1C levels toderive estimates for undiagnosed diabetes and prediabetes. These tests were chosen because they are most frequently used in clinical practice.
 
Under 20 years of age
  • 215,000, or 0.26% of all people in this age group have diabetes
  • About 1 in every 400 children and adolescents has type 1 diabetes
Age 20 years or older
  • 25.6 million, or 11.3% of all people in this age group have diabetes
Age 65 years or older
  • 10.9 million, or 26.9% of all people in this age group have diabetes
Men
  • 13.0 million, or 11.8% of all men aged 20 years or older have diabetes
Women
  • 12.6 million, or 10.8% of all women aged 20 years or older have diabetes

Race and ethnic differences in prevalence of diagnosed diabetes

After adjusting for population age differences, 2007-2009 national survey data for people diagnosed with diabetes, aged 20 years or older include the following prevalence by race/ethnicity:
  • 7.1% of non-Hispanic whites
  • 8.4% of Asian Americans
  • 12.6% of non-Hispanic blacks
  • 11.8% of Hispanics
Among Hispanics rates were:
  • 7.6% for Cubans
  • 13.3% for Mexican Americans
  • 13.8% for Puerto Ricans.

Morbidity and Mortality

  • In 2007, diabetes was listed as the underlying cause on 71,382 death certificates and was listed as a contributing factor on an additional 160,022 death certificates. This means that diabetes contributed to a total of 231,404 deaths.

Complications

Heart disease and stroke
  • In 2004, heart disease was noted on 68% of diabetes-related death certificates among people aged 65 years or older.
  • In 2004, stroke was noted on 16% of diabetes-related death certificates among people aged 65 years or older.
  • Adults with diabetes have heart disease death rates about 2 to 4 times higher than adults without diabetes.
  • The risk for stroke is 2 to 4 times higher among people with diabetes.
High blood pressure
  • In 2005-2008, of adults aged 20 years or older with self-reported diabetes, 67% had blood pressure greater than or equal to 140/90 mmHg or used prescription medications for hypertension.
Blindness
  • Diabetes is the leading cause of new cases of blindness among adults aged 20–74 years.
  • In 2005-2008, 4.2 million (28.5%) people with diabetes aged 40 years or older had diabetic retinopathy, and of these, almost 0.7 million (4.4% of those with diabetes) had advanced diabetic retinopathy that could lead to severe vision loss.
Kidney disease
  • Diabetes is the leading cause of kidney failure, accounting for 44% of new cases in 2008.
  • In 2008, 48,374 people with diabetes began treatment for end-stage kidney disease in the United States.
  • In 2008, a total of 202,290 people with end-stage kidney disease due to diabetes were living on chronic dialysis or with a kidney transplant in the United States.
Nervous system disease (Neuropathy)
  • About 60% to 70% of people with diabetes have mild to severe forms of nervous system damage.
Amputation
  • More than 60% of nontraumatic lower-limb amputations occur in people with diabetes.
  • In 2006, about 65,700 nontraumatic lower-limb amputations were performed in people with diabetes.

Cost of Diabetes

  • $174 billion: Total costs of diagnosed diabetes in the United States in 2007
  • $116 billion for direct medical costs
  • $58 billion for indirect costs (disability, work loss, premature mortality)
After adjusting for population age and sex differences, average medical expenditures among people with diagnosed diabetes were 2.3 times higher than what expenditures would be in the absence of diabetes.
The American Diabetes Association has created a Diabetes Cost Calculator that takes the national cost of diabetes data and provides estimates at the state and congressional district level.
Factoring in the additional costs of undiagnosed diabetes, prediabetes, and gestational diabetes brings the total cost of diabetes in the United States in 2007 to $218 billion.
  • $18 billion for people with undiagnosed diabetes 
  • $25 billion for American adults with prediabetes 
  • $623 million for gestational diabetes

 For Additional Information

These stastics and additional information can be found in the National Diabetes Fact Sheet, 2011, the most recent comprehensive assessment of the impact of diabetes in the United States, jointly produced by the CDC, NIH, ADA, and other organizations.
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U.S. Statistics from NIH

Diabetes Across the United States

  • Children and Diabetes
    Resources and publications.
  • Diabetes Statistics
    National estimates and general information on diabetes in the United States of America.
  • Diabetes in America
    Produced by the National Diabetes Data Group. Includes comprehensive data on diabetes and its complications in the United States.

Diabetes in Select U.S. Populations

National Diabetes Statistics for U.S., 2011

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Worldwide Diabetes Statistics

WHO Fact Sheet January 2011 

Key facts

  • More than 220 million people worldwide have diabetes.
  • In 2004, an estimated 3.4 million people died from consequences of high blood sugar.
  • More than 80% of diabetes deaths occur in low- and middle-income countries.
  • WHO projects that diabetes deaths will double between 2005 and 2030.
  • Healthy diet, regular physical activity, maintaining a normal body weight and avoiding tobacco use can prevent or delay the onset of type 2 diabetes.

What are common consequences of diabetes?

Over time, diabetes can damage the heart, blood vessels, eyes, kidneys, and nerves.
  • Diabetes increases the risk of heart disease and stroke. 50% of people with diabetes die of cardiovascular disease (primarily heart disease and stroke).
  • Combined with reduced blood flow, neuropathy in the feet increases the chance of foot ulcers and eventual limb amputation.
  • Diabetic retinopathy is an important cause of blindness, and occurs as a result of long-term accumulated damage to the small blood vessels in the retina. After 15 years of diabetes, approximately 2% of people become blind, and about 10% develop severe visual impairment.
  • Diabetes is among the leading causes of kidney failure. 10-20% of people with diabetes die of kidney failure.
  • Diabetic neuropathy is damage to the nerves as a result of diabetes, and affects up to 50% of people with diabetes. Although many different problems can occur as a result of diabetic neuropathy, common symptoms are tingling, pain, numbness, or weakness in the feet and hands.
  • The overall risk of dying among people with diabetes is at least double the risk of their peers without diabetes.

What is the economic impact of diabetes?

Diabetes and its complications have a significant economic impact on individuals, families, health systems and countries. For example, WHO estimates that in the period 2006-2015, China will lose $558 billion in foregone national income due to heart disease, stroke and diabetes alone.

How can the burden of diabetes be reduced?

Prevention
Simple lifestyle measures have been shown to be effective in preventing or delaying the onset of type 2 diabetes. To help prevent type 2 diabetes and its complications, people should:
  • achieve and maintain healthy body weight;
  • be physically active – at least 30 minutes of regular, moderate-intensity activity on most days. More activity is required for weight control;
  • eat a healthy diet of between three and five servings of fruit and vegetables a day and reduce sugar and saturated fats intake;
  • avoid tobacco use – smoking increases the risk of cardiovascular diseases.
Diagnosis and treatment
Early diagnosis can be accomplished through relatively inexpensive blood testing.
Treatment of diabetes involves lowering blood glucose and the levels of other known risk factors that damage blood vessels. Tobacco use cessation is also important to avoid complications.
Interventions that are both cost saving and feasible in developing countries include:
  • moderate blood glucose control. People with type 1 diabetes require insulin; people with type 2 diabetes can be treated with oral medication, but may also require insulin;
  • blood pressure control;
  • foot care.
Other cost saving interventions include:
  • screening for retinopathy (which causes blindness);
  • blood lipid control (to regulate cholesterol levels);
  • screening for early signs of diabetes-related kidney disease.
These measures should be supported by a healthy diet, regular physical activity, maintaining a normal body weight and avoiding tobacco use.

WHO activities to prevent and control diabetes

WHO aims to stimulate and support the adoption of effective measures for the surveillance, prevention and control of diabetes and its complications, particularly in low and middle-income countries. To this end, WHO:
  • provides scientific guidelines for diabetes prevention;
  • develops norms and standards for diabetes care;
  • builds awareness on the global epidemic of diabetes; including partnership with the International Diabetes Federation in the celebration of World Diabetes Day (14 November);
  • conducts surveillance of diabetes and its risk factors.
The WHO Global strategy on diet, physical activity and health complements WHO's diabetes work by focusing on population-wide approaches to promote healthy diet and regular physical activity, thereby reducing the growing global problem of overweight and obesity.
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International Diabetes Federation

The International Diabetes Federation estimates that 285 million people around the world have diabetes. This total is expected to rise to 438 million within 20 years. Each year a further 7 million people develop diabetes.

Visit www.diabetesatlas.org to view prevalence data from the Diabetes Atlas, Fourth Edition (2009).
China now the country with the largest number of people with diabetes
Previous estimates in the International Diabetes Federation’s (IDF) Diabetes Atlas Fourth Edition - published in October 2009 - put the number of people with diabetes in China at 43.2 million, based on the best evidence available at the time.
Now, it would appear China has overtaken India and become the global epicentre of the diabetes epidemic with 92.4 million adults with the disease.
Some of the difference between the old and new estimates for China may be due to differences in methodology. However, the new figures certainly reflect a rapid increase in the prevalence of diabetes over recent years.
Due to the new study, we expect the projected estimates of the number of people with diabetes in the year 2030 will be close to half a billion.
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At least 240 million people worldwide have diabetes; and, this figure is likely to be more than double by 2030.
Around 3.2 million deaths every year are attributable to complications of diabetes; six deaths every minute.
The top 10 countries, in numbers of sufferers, are India, China, USA, Indonesia, Japan, Pakistan, Russia, Brazil Italy and Bangladesh.
Overall, direct health care costs of diabetes range from 2.5% to 15% of annual health care budgets, depending on local diabetes prevalence and the sophistication of the treatment available.
The costs of lost production may be as much as five times the direct health care cost, according to estimates derived from 25 Latin American countries.
Recent studies in China, Canada, USA and several European countries have shown that feasible lifestyle interventions can prevent the onset of diabetes in people at high risk.
In Europe, the prevalence of diabetes has been proposed as a European Community Health Indicator. The prevalence of diabetes known to general practitioners (GPs) in different European countries has been investigated and the usefulness of sentinel practice networks in delivering prevalence data on diabetes has been evaluated. 
In China diabetes is already a substantial concern, with 21 million cases in the year 2000, or one in every 60 people. Obesity is on the rise – a recent study showed that even among Chinese pre-school children, obesity rates increased tenfold to affect one in every 10 children over an eight-year period. This extra weight increases their risk of diabetes as they grow older.
India has a population of more than a billion with more than 35 million diabetics, and its citizens appear prone to developing diabetes later in life, and are certainly more vulnerable to its complications such as high blood pressure leading to coronary heart disease.
Part of the blame falls on the adoption of a more Western lifestyle, involving fatty food and too little exercise.
In 20 years, projections are that there may be a staggering 75 million Indian diabetics.
In ItalyGermany or Japan, diabetes is on the rise. In Bahrain and Cambodia and Mexico — where industrialization and Western food habits have taken hold— it is rising even faster. For the world has now reached the point, according to the United Nations, where more people are overweight than undernourished.

2000
2030
Rank

Country

Diabetics (millions)
Country

Diabetics (millions)
1
India
31.7
India
79.4
2
China
20.8
China
42.3
3
U.S.
17.7
U.S.
30.3
4
Indonesia
8.4
Indonesia
21.3
5
Japan
6.8
Pakistan
13.9
6
Pakistan
5.2
Brazil
11.3
7
Russian Federation
4.6
Bangladesh
11.1
8
Brazil
4.6
Japan
8.9
9
Italy
4.3
Philippines
7.8
10
Bangladesh
3.2
Egypt
6.7

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