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Obesity: The Facts

Adult obesity is high in NZ and likely to increase

Preliminary results from the 2002/03 NZ Health Survey show:

  • More than half of adults are overweight or obese.
  • 60% of men and 40% of women are overweight. Of these, 20% of are obese.

Earlier studies found that:

  • 17% of adults were obese in 1997. Another 35% were overweight.
  • 60% of Maori adults were overweight or obese in 1997.
  • Maori obesity was almost double that of Pakeha.
  • Obesity levels increased from 11% in 1989 to 17% in 1997.

Fat children are more likely to become fat adults:

  • Almost half the overweight 7 year-olds in a Dunedin study were still overweight at 21; and leaner children became overweight too.
  • In the USA, 7 year-old obese boys are 4 times more likely (than lean boys) to become obese adults; and15 year-old obese males are nearly 10 times more likely (than lean boys) to become obese adults.
  • In Australia, obese children have a 25-50% chance of becoming obese adults. The risk for older teens may be as high as 78%.

Adult obesity varies around the world

  • More than 1 billion adults worldwide are overweight. At least 300 million are obese.
  • Nearly two-thirds of the US population are overweight or obese. 20% are obese.
  • Obesity ranges from below 5% in China, Japan and some African countries, to 75%+ in urban Samoa.