Deaths linked to poor diet each year
Unhealthy diets were linked to about 11 million adult deaths worldwide in 2017 — more than any other risk factor, including tobacco.
Source: GBD, The Lancet 2019
96 facts
The key numbers on food and health worldwide, from WHO, FAO, UNICEF and trusted research — every fact with its source.
Unhealthy diets were linked to about 11 million adult deaths worldwide in 2017 — more than any other risk factor, including tobacco.
Source: GBD, The Lancet 2019
Roughly one in every five deaths globally is associated with dietary risks.
Source: GBD, The Lancet 2019
Cardiovascular diseases are the world's leading cause of death; an unhealthy diet is a key risk factor.
Source: WHO 2021
Adults with diabetes rose from about 200 million in 1990 to around 830 million in 2022.
Source: WHO / NCD-RisC, The Lancet 2024
About 1.28 billion adults aged 30–79 have hypertension; high salt intake is a major cause.
Source: WHO 2023
Noncommunicable diseases (heart disease, cancer, diabetes, lung disease) cause 74% of all deaths.
Source: WHO 2023
Each 50 g of processed meat eaten daily raises colorectal cancer risk by about 18%.
Source: WHO / IARC 2015
Around a third of cancer deaths are linked to tobacco, high BMI, alcohol, low fruit and vegetable intake and inactivity.
Source: WHO 2022
In 2022 more than 1 billion people worldwide were living with obesity.
Source: WHO / The Lancet 2024
43% of adults aged 18+ were overweight in 2022, and 890 million of them had obesity.
Source: WHO 2024
Worldwide adult obesity more than doubled between 1990 and 2022.
Source: WHO 2024
Obesity among adolescents aged 5–19 quadrupled from 1990 to 2022.
Source: WHO 2024
About 37 million children under five were overweight in 2022.
Source: WHO 2024
Around six in ten Jordanian adults are overweight or obese, among the higher rates in the region.
Source: WHO EMRO / STEPS Jordan 2019
Losing just 5–10% of body weight can lower blood pressure, blood sugar and cholesterol.
Source: CDC / NIH
Around 733 million people faced hunger in 2023 — about one in eleven people on Earth.
Source: FAO SOFI 2024
About 2.8 billion people could not afford a healthy diet in 2022.
Source: FAO SOFI 2024
148 million young children are too short for their age due to chronic undernutrition.
Source: UNICEF/WHO/World Bank 2023
45 million young children are dangerously thin for their height.
Source: UNICEF/WHO/World Bank 2023
About 45% of deaths among children under five are linked to undernutrition.
Source: WHO 2024
Many countries now face undernutrition and obesity at the same time, often in the same household.
Source: WHO 2024
Keep free sugars below 10% of daily energy — about 50 g (12 teaspoons) — and ideally below 5%.
Source: WHO 2015
A 330 ml can of regular soft drink holds about 35 g of sugar — nearly a full day's limit.
Source: Nutrition labels / WHO
Adults should eat under 5 g of salt (one teaspoon) a day.
Source: WHO 2023
The global average is about 10.8 g a day — more than double the recommended limit.
Source: WHO 2023
An estimated 1.9 million deaths each year are linked to high sodium intake.
Source: WHO 2023
Keep saturated fats (butter, fatty meat, ghee) under 10% of daily energy.
Source: WHO 2023
Industrial trans fats cause about 278,000 heart disease deaths each year; WHO calls for their elimination.
Source: WHO 2023
In many countries most salt comes from bread, cheese, processed meat and ready meals — not the salt shaker.
Source: WHO 2023
WHO recommends at least 400 g (five portions) of fruit and vegetables daily.
Source: WHO 2020
Low fruit and vegetable intake was linked to about 3.9 million deaths in 2017.
Source: WHO
Too few whole grains was the leading dietary risk for death worldwide, ahead of sugar.
Source: GBD, The Lancet 2019
Adults should get at least 25 g of natural fibre a day from vegetables, fruit, legumes and whole grains.
Source: WHO 2023
People eating the most fibre have 15–30% lower rates of heart disease, stroke, type 2 diabetes and bowel cancer.
Source: The Lancet 2019
A daily handful of nuts is linked with lower heart disease risk.
Source: BMC Medicine 2016
Legumes like lentils, chickpeas and beans are cheap sources of protein, fibre and iron — staples of Jordanian food.
Source: USDA FoodData
Fewer than a third of people in most countries eat the recommended 5 portions a day.
Source: WHO surveys
Water makes up around 60% of adult body weight and is needed for every cell.
Source: USGS / physiology texts
Women need about 2 L and men about 2.5 L of total water daily from drinks and food — more in hot weather.
Source: EFSA 2010
Losing just 1–2% of body water can reduce concentration, mood and exercise performance.
Source: Nutrition Reviews 2010
About 2.2 billion people still lack safely managed drinking water.
Source: WHO/UNICEF 2023
Swapping one sugary drink a day for water cuts about 140 kcal and 35 g of sugar.
Source: Nutrition labels
Around 2 billion people lack essential vitamins and minerals such as iron, zinc, iodine and vitamin A.
Source: WHO
Nearly a third of women of reproductive age are anaemic, often due to iron deficiency.
Source: WHO 2023
About 40% of children aged 6–59 months worldwide have anaemia.
Source: WHO 2023
Around a billion people are vitamin D deficient — common in the Middle East despite the sun, due to covered skin and indoor life.
Source: Nutrients reviews
Iodine deficiency is the world's leading preventable cause of brain damage; iodised salt prevents it.
Source: WHO / UNICEF
Each year up to half a million children go blind from lack of vitamin A.
Source: WHO
Eating vitamin C foods (lemon, tomato, peppers) with lentils or spinach can multiply iron absorption.
Source: Am J Clin Nutr
WHO recommends only breast milk for the first 6 months, then continued breastfeeding up to 2 years or beyond.
Source: WHO 2023
Only about 48% of infants under 6 months are exclusively breastfed.
Source: UNICEF 2023
Optimal breastfeeding could save over 820,000 children's lives every year.
Source: The Lancet 2016
Nutrition from pregnancy to a child's second birthday shapes lifelong health and brain development.
Source: UNICEF
Health bodies advise no added sugar for children under two.
Source: AHA / WHO
One in three children under five is not growing well due to malnutrition in its various forms.
Source: UNICEF 2019
Daily folic acid before and in early pregnancy greatly reduces neural tube birth defects.
Source: WHO
Adults need 150–300 minutes of moderate activity weekly, plus muscle strengthening twice a week.
Source: WHO 2020
Nearly 1.8 billion adults (31%) did not meet activity recommendations in 2022.
Source: WHO / Lancet Global Health 2024
Over 80% of adolescents don't get 60 minutes of activity a day.
Source: WHO 2022
Insufficiently active people have a 20–30% higher risk of death than active people.
Source: WHO 2022
Up to 5 million deaths a year could be averted if people were more active.
Source: WHO 2020
About 7,000–8,000 steps a day is linked with substantially lower risk of early death.
Source: The Lancet Public Health 2022
WHO says every move counts: replacing sitting with any activity, even light, benefits health.
Source: WHO 2020
About 1.05 billion tonnes of food — 19% of what's available to consumers — was wasted in 2022.
Source: UNEP Food Waste Index 2024
Households are responsible for around 60% of all food waste.
Source: UNEP 2024
The average person wastes about 79 kg of food at home every year.
Source: UNEP 2024
Food systems produce about a third of global greenhouse gas emissions.
Source: Nature Food 2021
Wasted food alone accounts for 8–10% of global greenhouse gas emissions.
Source: UNEP 2021
Agriculture uses about 70% of the world's freshwater withdrawals — vital in water-scarce Jordan.
Source: FAO AQUASTAT
A diet rich in plants, legumes, nuts and whole grains with less red meat could prevent ~11 million deaths a year.
Source: EAT-Lancet 2019
Fact: they are still free sugars and count toward the WHO daily limit.
Source: WHO 2015
Fact: excess calories cause weight gain. Whole-grain carbs and legumes protect health.
Source: WHO / Harvard T.H. Chan
Fact: unsaturated fats from olive oil, nuts and fish are good for the heart.
Source: WHO 2023
Fact: total daily intake and food quality matter most; a fibre- and protein-rich breakfast helps many people control appetite.
Source: BMJ 2019
Fact: your liver and kidneys detox you. Juices remove fibre and add sugar.
Source: NHS
Fact: frozen produce keeps most of its vitamins and is often as nutritious as fresh.
Source: J Food Comp Anal 2017
Fact: both are mostly sodium. Use less of any salt; choose iodised.
Source: WHO
Fact: total calories and food choices matter more than the clock.
Source: Am J Clin Nutr
The human body hosts about 38 trillion bacteria — roughly as many as human cells — most of them in the colon.
Source: Sender et al., PLoS Biol 2016
People eating 30+ different plant foods a week had more diverse gut microbes than those eating 10 or fewer.
Source: American Gut Project, mSystems 2018
Around 90% of the body's serotonin is produced in the digestive tract.
Source: Yano et al., Cell 2015
Only about 5% of US adults eat the recommended amount of fibre.
Source: Quagliani & Felt-Gunderson, Am J Lifestyle Med 2017
Adults need 7–9 hours of sleep a night for good health.
Source: AASM / Sleep Research Society 2015
About a third of adults regularly sleep less than 7 hours.
Source: CDC
Up to 400 mg of caffeine a day (about 4 cups of coffee) is considered safe for most adults; 200 mg in pregnancy.
Source: EFSA 2015
Short sleep was linked to a 55% higher risk of obesity in adults and 89% in children.
Source: Cappuccio et al., Sleep 2008
About 970 million people — 1 in 8 worldwide — live with a mental disorder.
Source: WHO 2022
Depression affects around 280 million people globally.
Source: WHO 2023
In the SMILES trial, 32% of people with depression on a healthier diet reached remission vs 8% in the control group.
Source: Jacka et al., BMC Med 2017
About half of US adults used a dietary supplement in the past 30 days.
Source: CDC NHANES 2017–2018
Vitamin D deficiency or insufficiency is estimated to affect around 1 billion people worldwide.
Source: Holick, NEJM 2007
Folic acid before and in early pregnancy can prevent up to 70% of neural-tube defects.
Source: WHO / CDC
Women with five healthy habits lived ~14 years longer and men ~12 years longer from age 50.
Source: Li et al., Circulation 2018
World life expectancy at birth is about 73 years.
Source: UN World Population Prospects 2024
Strong social relationships were linked to a 50% higher chance of survival over time.
Source: Holt-Lunstad et al., PLoS Med 2010
Walking about 7,000 steps a day was linked to a much lower risk of early death than 2,000 steps.
Source: Ding et al., Lancet Public Health 2025
Figures are estimates from the latest published reports and may change as new data is released. General information, not medical advice.