According to The World Health Organization over 1,4 billion adults, 20 years and older, were overweight in 2008. Out of those individuals, 500 million were obese (WHO, 2012).
Samkvæmt Alþjóðaheilbrigðismálastofnuninni voru árið 2008, 1,4 milljarðar einstaklinga í heiminum 20 ára og eldri yfir kjörþyngd og þar af 500 milljónir sem glímdu við offitu (WHO, 2012).