• Overview
  • Obesity prevalence
  • Trends over time
  • Contextual factors
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National obesity risk *6.5/10This is a composite ‘obesity risk’ score (out of 10, the highest risk) based on obesity prevalence, rate of increase, likelihood of meeting the 2025 target, treatment indicator and childhood stunting levels.Childhood obesity risk *4/11This is a ‘risk score’ for each country’s likelihood of having or acquiring a major childhood obesity problem during the 2020s, taking account of current prevalence levels and risk for future obesity (based on stunting among infants, maternal obesity, maternal smoking, and breastfeeding rates).
* Based on estimated data. For more information see Publications

Obesity prevalence

Trends over time

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Population breakdowns

By education

By age

By region

By socio-economic group

Drivers

Insufficient activity

Fruit consumption

Processed meat consumption

Grains consumption

Depression

Anxiety

Roots of obesity »

Like all chronic diseases, the root causes/drivers of obesity are complex. Select here to view 'other' root causes/drivers.

Breastfeeding

Comorbidities

Oesophageal cancer

Breast cancer

Colorectal cancer

Pancreatic cancer

Gallbladder cancer

Kidney cancer

Cancer of the uterus

Raised blood pressure

Raised cholesterol

Raised fasting blood glucose

Diabetes prevalence

Economic impact

Economic impact

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Policies

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Contextual factors

Contextual factors

Obesity prevalence

Women, 2014-2015

Survey type:Measured
Age:15-49
Sample size:9530
Area covered:National
References:Institut National de la Statistique des Études Économiques et Démographiques - INSEED/Tchad, Ministère de la Santé Publique - MSP/Tchad et ICF International, 2014-2015. Enquête Démographique et de Santé et à Indicateurs Multiples (EDS-MICS 2014-2015). Rockville, Maryland, USA: INSEED, MSP et ICF International. Available at https://dhsprogram.com/publications/publication-fr317-dhs-final-reports.cfm (last accessed 10.08.22)
Notes:Demographic Health Survey data includes ever married women aged 15-49 years only and may include males aged 15-59.
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².
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Adults, 2007

Survey type:Measured
Age:25-64
Sample size:2016
Area covered:Regional
References:RAPPORT FINAL DE L’ENQUETE STEPWISE A N’DJAMENA OCTOBRE 2008 available at https://www.who.int/ncds/surveillance/steps/2008_STEPS_Report_Chad.pdf (last accessed 23.09.20)
Notes:4 Regions only
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².
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Women, 2004

Survey type:Measured
Age:15-49
Sample size:3720
Area covered:National
References:Ouagadjio, Bandoumal, Kostelngar Nodjimadji, Tchobkréo Bagamla, Riradjim Madnodji, Joël Sibaye Tokindang, Ningam Ngakoutou, Joël Nodjimbatem Ngoniri, Caman Bédaou, Donato Koyalta, Bernard Barrère, and Monique Barrère. 2004. Enquête Démographique et de Santé Tchad 2004. Calverton, Maryland, USA: Institut National de la Statistique, des Études Économiques et Démographiques - INSEED/Tchad and ORC Macro. Available at https://dhsprogram.com/publications/publication-fr170-dhs-final-reports.cfm (last accessed 10.08.22)
Notes:Demographic Health Survey data includes ever married women aged 15-49 years only and may include males aged 15-59.
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².
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Women, 1996-1997

Survey type:Measured
Age:15-49
Sample size:3549
References:SCN (2004). 5th Report on the World Nutrition Situation. Nutrition for Improved Development Outcomes. Appendix 11
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².
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Children, 2019

Survey type:Measured
Age:0-5
Sample size:21289
Area covered:National
References:Chad 2019 MICS Survey. https://mics-surveys-prod.s3.amazonaws.com/MICS6/West%20and%20Central%20Africa/Chad/2019/Survey%20findings/Chad%202019%20MICS%20Survey%20Findings%20Report_French.pdf (Accessed 17.09.21)
Notes:Infants.
Definitions:Weight for height. Between 2-3SD = Overweight. Over 3SD = Obesity.
Cutoffs:Other
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Girls, 2014-2015

Survey type:Measured
Age:15-19
Sample size:1948
Area covered:National
References:Benedict, Rukundo K., Allison Schmale, and Sorrel Namaste. 2018. Adolescent Nutrition 2000-2017: DHS Data on Adolescents Age 15-19. DHS Comparative Report No. 47. Rockville, Maryland, USA: ICF. Institut National de la Statistique des Études Économiques et Démographiques - INSEED/Tchad, Ministère de la Santé Publique - MSP/Tchad et ICF International, 2014-2015. Enquête Démographique et de Santé et à Indicateurs Multiples (EDS-MICS 2014-2015). Rockville, Maryland, USA: INSEED, MSP et ICF International
Definitions:BMI for age: between +1 SD and +2 SD is overweight and greater than +2 SD is obesity
Cutoffs:WHO 2007
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