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Updated 17 March 2015

40 percent of SA women are overweight

South Africa has the highest overweight and obesity rate in sub-Saharan Africa and ranks among the highest regions in the world in percentages for overweight and obese women.

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In a world where 37% of the adult population is overweight or obese, in 2013 South Africa had an obesity rate of 42% for women and 13.5% for men, according to a study released by the Lancet.

"South Africa has the highest overweight and obesity rate in sub-Saharan Africa," the study showed.

Read: Parents underestimate obese kids' weight

"Seven in 10 women (69.3 %) and four in 10 men (38.8%) are overweight or obese. For South African children, a fifth of boys and a quarter of girls are overweight or obese; 7% of boys and 9.6% of girls are obese."

Read: In 2012 SA obesity rate was already reaching epidemic proportions

No success in decreasing the obesity rate

The Lancet released a new study from the Institute for Health Metrics and Evaluation (IHME) at the University of Washington. The study examined obesity trends from 188 countries over more than 30 years.

In the study, overweight is defined as having a Body Mass Index (BMI), or weight-to-height ratio, greater than or equal to 25 and lower than 30, while obesity is defined as having a BMI equal to or greater than 30.

Calculate: What's your BMI?

According to the results, nearly 30% of people worldwide, about 2.1 billion, are either overweight or obese.

The study showed that since 1980, not one country has successfully decreased its rate of obesity, while the rise in global obesity rates have been "significant, rapid and widespread".

Find out: Are you obese or just a little overweight?

Since 1980, obesity and overweight had increased by 27.5% in adults and 47.1% in children.

Worldwide, 3.4 million deaths were caused by obesity in 2010, most from cardiovascular causes.

Read: How being obese affects your heart

Global increase in the number of overweight and obese people

"Health risks such as cardiovascular disease, cancer, diabetes, osteoarthritis, and chronic kidney disease increase when a person’s BMI exceeds 23," the study read.

"Research indicates that if left unchecked, the rise in obesity could lead to future declines in life expectancy."

Southern sub-Saharan African ranks among the highest regions in the world in the world percentage-wise for women who are overweight or obese.

Read: Weight loss can combat irregular heart beat

The study found that globally the number of overweight and obese people increased from 857 million in 1980 to 2.1 billion in 2013.

The highest proportion of the world's obese people, 13%, live in the United States, while China and India together represent 15%of the world's obese population.

The rates in the study were adjusted for differences in population size and ages over time across the countries.

Read: How the world's obesity is eating up Earth

Between 1980 and 2013, the prevalence of overweight and obese children and adolescents increased by nearly 50%.

According to the study, more than 50%of the world's obese live in 10 countries - United States, China, India, Russia, Brazil, Mexico, Egypt, Germany, Pakistan and Indonesia.

Read more:
Early overweight sets stage for later obesity
No single scapegoat for obesity

Childhood obesity starts at home

Obese and not worried? Join the Fat Liberation Front

Image: Obese woman from Shutterstock

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