Healthy Food

96 facts

World health food facts

The key numbers on food and health worldwide, from WHO, FAO, UNICEF and trusted research — every fact with its source.

Diet & disease

11M

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

1 in 5

Deaths tied to diet

Roughly one in every five deaths globally is associated with dietary risks.

Source: GBD, The Lancet 2019

17.9M

Heart disease deaths per year

Cardiovascular diseases are the world's leading cause of death; an unhealthy diet is a key risk factor.

Source: WHO 2021

830M

People living with diabetes

Adults with diabetes rose from about 200 million in 1990 to around 830 million in 2022.

Source: WHO / NCD-RisC, The Lancet 2024

1.28B

Adults with high blood pressure

About 1.28 billion adults aged 30–79 have hypertension; high salt intake is a major cause.

Source: WHO 2023

74%

Share of deaths from NCDs

Noncommunicable diseases (heart disease, cancer, diabetes, lung disease) cause 74% of all deaths.

Source: WHO 2023

18%

Higher colorectal cancer risk

Each 50 g of processed meat eaten daily raises colorectal cancer risk by about 18%.

Source: WHO / IARC 2015

1/3

Cancers that are preventable

Around a third of cancer deaths are linked to tobacco, high BMI, alcohol, low fruit and vegetable intake and inactivity.

Source: WHO 2022

Obesity & weight

1B+

People living with obesity

In 2022 more than 1 billion people worldwide were living with obesity.

Source: WHO / The Lancet 2024

2.5B

Adults overweight

43% of adults aged 18+ were overweight in 2022, and 890 million of them had obesity.

Source: WHO 2024

×2

Adult obesity has doubled

Worldwide adult obesity more than doubled between 1990 and 2022.

Source: WHO 2024

×4

Adolescent obesity has quadrupled

Obesity among adolescents aged 5–19 quadrupled from 1990 to 2022.

Source: WHO 2024

37M

Children under 5 overweight

About 37 million children under five were overweight in 2022.

Source: WHO 2024

~60%

Adults overweight in Jordan

Around six in ten Jordanian adults are overweight or obese, among the higher rates in the region.

Source: WHO EMRO / STEPS Jordan 2019

5–10%

Weight loss that improves health

Losing just 5–10% of body weight can lower blood pressure, blood sugar and cholesterol.

Source: CDC / NIH

Hunger & undernutrition

~733M

People facing hunger

Around 733 million people faced hunger in 2023 — about one in eleven people on Earth.

Source: FAO SOFI 2024

2.8B

Can't afford a healthy diet

About 2.8 billion people could not afford a healthy diet in 2022.

Source: FAO SOFI 2024

148M

Children under 5 stunted

148 million young children are too short for their age due to chronic undernutrition.

Source: UNICEF/WHO/World Bank 2023

45M

Children under 5 wasted

45 million young children are dangerously thin for their height.

Source: UNICEF/WHO/World Bank 2023

45%

Child deaths linked to undernutrition

About 45% of deaths among children under five are linked to undernutrition.

Source: WHO 2024

Double

The double burden

Many countries now face undernutrition and obesity at the same time, often in the same household.

Source: WHO 2024

Sugar, salt & fats

<10%

WHO limit for free sugars

Keep free sugars below 10% of daily energy — about 50 g (12 teaspoons) — and ideally below 5%.

Source: WHO 2015

10 tsp

Sugar in one can of soda

A 330 ml can of regular soft drink holds about 35 g of sugar — nearly a full day's limit.

Source: Nutrition labels / WHO

<5 g

WHO daily salt limit

Adults should eat under 5 g of salt (one teaspoon) a day.

Source: WHO 2023

10.8 g

Average salt eaten worldwide

The global average is about 10.8 g a day — more than double the recommended limit.

Source: WHO 2023

1.9M

Deaths from too much salt

An estimated 1.9 million deaths each year are linked to high sodium intake.

Source: WHO 2023

<10%

Saturated fat limit

Keep saturated fats (butter, fatty meat, ghee) under 10% of daily energy.

Source: WHO 2023

278K

Deaths from trans fats

Industrial trans fats cause about 278,000 heart disease deaths each year; WHO calls for their elimination.

Source: WHO 2023

~75%

Salt hidden in processed food

In many countries most salt comes from bread, cheese, processed meat and ready meals — not the salt shaker.

Source: WHO 2023

Fruits, vegetables & grains

400 g

Fruit & veg per day

WHO recommends at least 400 g (five portions) of fruit and vegetables daily.

Source: WHO 2020

3.9M

Deaths from too little fruit & veg

Low fruit and vegetable intake was linked to about 3.9 million deaths in 2017.

Source: WHO

#1

Low whole grains: top diet risk

Too few whole grains was the leading dietary risk for death worldwide, ahead of sugar.

Source: GBD, The Lancet 2019

25 g+

Fibre adults need daily

Adults should get at least 25 g of natural fibre a day from vegetables, fruit, legumes and whole grains.

Source: WHO 2023

15–30%

Lower risk with high fibre

People eating the most fibre have 15–30% lower rates of heart disease, stroke, type 2 diabetes and bowel cancer.

Source: The Lancet 2019

~30 g

A handful of nuts

A daily handful of nuts is linked with lower heart disease risk.

Source: BMC Medicine 2016

15 g

Fibre in a cup of cooked lentils

Legumes like lentils, chickpeas and beans are cheap sources of protein, fibre and iron — staples of Jordanian food.

Source: USDA FoodData

1 in 3

Adults eating enough fruit & veg

Fewer than a third of people in most countries eat the recommended 5 portions a day.

Source: WHO surveys

Water & hydration

~60%

Of your body is water

Water makes up around 60% of adult body weight and is needed for every cell.

Source: USGS / physiology texts

2–2.5 L

Daily water needs

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

2%

Dehydration that hurts focus

Losing just 1–2% of body water can reduce concentration, mood and exercise performance.

Source: Nutrition Reviews 2010

2.2B

People without safe drinking water

About 2.2 billion people still lack safely managed drinking water.

Source: WHO/UNICEF 2023

0

Calories in water

Swapping one sugary drink a day for water cuts about 140 kcal and 35 g of sugar.

Source: Nutrition labels

Vitamins & minerals

~2B

People lacking key micronutrients

Around 2 billion people lack essential vitamins and minerals such as iron, zinc, iodine and vitamin A.

Source: WHO

30%

Women 15–49 with anaemia

Nearly a third of women of reproductive age are anaemic, often due to iron deficiency.

Source: WHO 2023

40%

Young children with anaemia

About 40% of children aged 6–59 months worldwide have anaemia.

Source: WHO 2023

~1B

People low in vitamin D

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

#1

Iodine & preventable brain damage

Iodine deficiency is the world's leading preventable cause of brain damage; iodised salt prevents it.

Source: WHO / UNICEF

250K–500K

Children blinded by vitamin A deficiency

Each year up to half a million children go blind from lack of vitamin A.

Source: WHO

×3

Vitamin C boosts iron absorption

Eating vitamin C foods (lemon, tomato, peppers) with lentils or spinach can multiply iron absorption.

Source: Am J Clin Nutr

Children & mothers

6 months

Exclusive breastfeeding

WHO recommends only breast milk for the first 6 months, then continued breastfeeding up to 2 years or beyond.

Source: WHO 2023

48%

Babies exclusively breastfed

Only about 48% of infants under 6 months are exclusively breastfed.

Source: UNICEF 2023

820K

Child lives breastfeeding could save

Optimal breastfeeding could save over 820,000 children's lives every year.

Source: The Lancet 2016

1,000 days

The most important window

Nutrition from pregnancy to a child's second birthday shapes lifelong health and brain development.

Source: UNICEF

0 g

Added sugar under age 2

Health bodies advise no added sugar for children under two.

Source: AHA / WHO

1 in 3

Children not growing well

One in three children under five is not growing well due to malnutrition in its various forms.

Source: UNICEF 2019

400 µg

Folic acid before pregnancy

Daily folic acid before and in early pregnancy greatly reduces neural tube birth defects.

Source: WHO

Physical activity

150–300

Minutes of activity per week

Adults need 150–300 minutes of moderate activity weekly, plus muscle strengthening twice a week.

Source: WHO 2020

31%

Adults not active enough

Nearly 1.8 billion adults (31%) did not meet activity recommendations in 2022.

Source: WHO / Lancet Global Health 2024

81%

Teens not active enough

Over 80% of adolescents don't get 60 minutes of activity a day.

Source: WHO 2022

20–30%

Higher death risk when inactive

Insufficiently active people have a 20–30% higher risk of death than active people.

Source: WHO 2022

~5M

Deaths activity could prevent

Up to 5 million deaths a year could be averted if people were more active.

Source: WHO 2020

7,000

Daily steps linked to benefits

About 7,000–8,000 steps a day is linked with substantially lower risk of early death.

Source: The Lancet Public Health 2022

Every move

Any activity counts

WHO says every move counts: replacing sitting with any activity, even light, benefits health.

Source: WHO 2020

Food & the planet

1.05B t

Food wasted each year

About 1.05 billion tonnes of food — 19% of what's available to consumers — was wasted in 2022.

Source: UNEP Food Waste Index 2024

60%

Food waste happens at home

Households are responsible for around 60% of all food waste.

Source: UNEP 2024

79 kg

Food each person wastes at home

The average person wastes about 79 kg of food at home every year.

Source: UNEP 2024

~1/3

Emissions from food systems

Food systems produce about a third of global greenhouse gas emissions.

Source: Nature Food 2021

8–10%

Emissions from wasted food

Wasted food alone accounts for 8–10% of global greenhouse gas emissions.

Source: UNEP 2021

70%

Freshwater used by farming

Agriculture uses about 70% of the world's freshwater withdrawals — vital in water-scarce Jordan.

Source: FAO AQUASTAT

Planetary

A diet good for people and planet

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

Myth vs fact

Myth

"Brown sugar and honey are healthy"

Fact: they are still free sugars and count toward the WHO daily limit.

Source: WHO 2015

Myth

"Carbs make you fat"

Fact: excess calories cause weight gain. Whole-grain carbs and legumes protect health.

Source: WHO / Harvard T.H. Chan

Myth

"All fat is bad"

Fact: unsaturated fats from olive oil, nuts and fish are good for the heart.

Source: WHO 2023

Myth

"Skipping breakfast burns fat"

Fact: total daily intake and food quality matter most; a fibre- and protein-rich breakfast helps many people control appetite.

Source: BMJ 2019

Myth

"Detox juices clean your body"

Fact: your liver and kidneys detox you. Juices remove fibre and add sugar.

Source: NHS

Myth

"Frozen vegetables aren't nutritious"

Fact: frozen produce keeps most of its vitamins and is often as nutritious as fresh.

Source: J Food Comp Anal 2017

Myth

"Sea salt is healthier than table salt"

Fact: both are mostly sodium. Use less of any salt; choose iodised.

Source: WHO

Myth

"Eating late at night makes you gain weight"

Fact: total calories and food choices matter more than the clock.

Source: Am J Clin Nutr

Gut health

~38T

Bacteria in your body

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

30

Plants a week

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

~90%

Serotonin made in the gut

Around 90% of the body's serotonin is produced in the digestive tract.

Source: Yano et al., Cell 2015

~5%

Adults who reach fibre targets

Only about 5% of US adults eat the recommended amount of fibre.

Source: Quagliani & Felt-Gunderson, Am J Lifestyle Med 2017

Sleep & energy

7–9 h

Sleep adults need

Adults need 7–9 hours of sleep a night for good health.

Source: AASM / Sleep Research Society 2015

1 in 3

Adults short on sleep

About a third of adults regularly sleep less than 7 hours.

Source: CDC

400 mg

Daily caffeine limit

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

+55%

Higher obesity risk in short sleepers

Short sleep was linked to a 55% higher risk of obesity in adults and 89% in children.

Source: Cappuccio et al., Sleep 2008

Mental health

1 in 8

People with a mental disorder

About 970 million people — 1 in 8 worldwide — live with a mental disorder.

Source: WHO 2022

280M

People with depression

Depression affects around 280 million people globally.

Source: WHO 2023

32%

Remission with diet support

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

Supplements

~50%

Adults using supplements

About half of US adults used a dietary supplement in the past 30 days.

Source: CDC NHANES 2017–2018

1B+

People low in vitamin D

Vitamin D deficiency or insufficiency is estimated to affect around 1 billion people worldwide.

Source: Holick, NEJM 2007

70%

Fewer neural-tube defects

Folic acid before and in early pregnancy can prevent up to 70% of neural-tube defects.

Source: WHO / CDC

Longevity

+12 yrs

Extra life from 5 habits

Women with five healthy habits lived ~14 years longer and men ~12 years longer from age 50.

Source: Li et al., Circulation 2018

~73

Global life expectancy

World life expectancy at birth is about 73 years.

Source: UN World Population Prospects 2024

50%

Social ties and survival

Strong social relationships were linked to a 50% higher chance of survival over time.

Source: Holt-Lunstad et al., PLoS Med 2010

7,000

Daily steps for a longer life

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.