• Overview
  • Obesity prevalence
  • Trends over time
  • Population breakdowns
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Obesity prevalence

Adults, 2017-2018

Survey type:Measured
Age:16+
Sample size:2315
Area covered:National
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2016-2017

Survey type:Measured
Age:16+
Sample size:2729
Area covered:National
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2015-2016

Survey type:Measured
Age:16+
Sample size:2912
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2014-2015

Survey type:Measured
Age:16+
Sample size:3172
Area covered:National
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Age:16+
Sample size:3454
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2012-2013

Survey type:Measured
Age:16+
Sample size:3280
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2011-2012

Survey type:Measured
Age:16+
Sample size:3342
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2010-2011

Survey type:Measured
Age:16+
Sample size:2603
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Children, 2017-2018

Survey type:Measured
Age:2-15
Sample size:392
Area covered:National
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2016-2017

Survey type:Measured
Age:2-15
Sample size:384
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2015-2016

Survey type:Measured
Age:2-15
Sample size:457
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2014-2015

Survey type:Measured
Age:2-15
Sample size:511
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2013-2014

Survey type:Measured
Age:2-15
Sample size:536
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2012-2013

Survey type:Measured
Age:2-15
Sample size:538
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2011-2012

Survey type:Measured
Age:2-15
Sample size:591
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2010-2011

Survey type:Measured
Age:2-15
Sample size:504
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2000

Survey type:Measured
Age:12
Sample size:2017
References:Watkins DC, Murray LJ, McCarron P, Boreham CAG, Cran GW, Young IS, McGartland C, Robson PJ, Savage JM. Ten-year trends for fatness in Northern Irish adolescents: the Young Hearts Projects - repeat cross-sectional study. International Journal of Obesity 2005;29:579-585
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

Children, 1996

Survey type:Measured
Age:13-14
Sample size:2307
References:Yarnell JWG, McCrum EE, Patterson CC, Skidmore P, Shields MD, McMahon J, Evans AE. Prevalence and awareness of excess wieght in 13 and 14 year olds in Northern Ireland using recent international guidelines. Acta Paediatr 2001;90:1435-1439
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

Children, 1989-1990

Survey type:Measured
Age:12
Sample size:1015
References:Watkins DC, Murray LJ, McCarron P, Boreham CAG, Cran GW, Young IS, McGartland C, Robson PJ, Savage JM. Ten-year trends for fatness in Northern Irish adolescents: the Young Hearts Projects - repeat cross-sectional study. International Journal of Obesity 2005;29:579-585
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

Overweight/obesity by age

Adults, 2017-2018

Survey type:Measured
Sample size:2315
Area covered:National
References:Northern Ireland Health Survey 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718 (last accessed 30.01.19)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2017-2018

Survey type:Measured
Sample size:2315
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2016-2017

Survey type:Measured
Sample size:2,729
Area covered:National
References:Department of Health (2017). Health Survey Northern Ireland Technical report 2016/17. Department of health. Available from https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201617. [Last accessed 2nd Nov 2018].
Notes:IOTF cut-offs used
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2015-2016

Survey type:Measured
Sample size:2912
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2014-2015

Survey type:Measured
Sample size:3172
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Sample size:3454
Area covered:National
References:Health Survey Northern Ireland: First Results 2013/14. http://www.dhsspsni.gov.uk/hsni-first-results-13-14.pdf (last accessed 17 June 2015)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Sample size:3454
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2012-2013

Survey type:Measured
Sample size:3280
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2011-2012

Survey type:Measured
Sample size:3342
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2010-2011

Survey type:Measured
Sample size:2603
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Children, 2017-2018

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2016-2017

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2015-2016

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2014-2015

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2013-2014

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2012-2013

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2011-2012

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Children, 2010-2011

Survey type:Measured
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Cutoffs:IOTF

Overweight/obesity by region

Adults, 2017-2018

Survey type:Measured
Age:16+
Sample size:2315
Area covered:National
References:Northern Ireland Health Survey 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718 (last accessed 30.01.19)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2017-2018

Survey type:Measured
Age:16+
Sample size:2315
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2015-2016

Survey type:Measured
Age:16+
Sample size:2912
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2014-2015

Survey type:Measured
Age:16+
Sample size:3172
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Age:16+
Sample size:3454
Area covered:National
References:Health Survey Northern Ireland: http://www.dhsspsni.gov.uk/index/statistics/lcb/obesity-and-diet.htm (last accessed 18 June 2015)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Age:16+
Sample size:3454
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2012-2013

Survey type:Measured
Age:16+
Sample size:3280
Area covered:National
References:Health Survey Northern Ireland: http://www.dhsspsni.gov.uk/index/statistics/lcb/obesity-and-diet.htm (last accessed 18 June 2015)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2012-2013

Survey type:Measured
Age:16+
Sample size:3280
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2011-2012

Survey type:Measured
Age:16+
Sample size:3342
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2010-2011

Survey type:Measured
Age:16+
Sample size:2603
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Children, 2012-2013

Survey type:Measured
Age:2-10
Area covered:National
References:Health Survey Northern Ireland: http://www.dhsspsni.gov.uk/index/statistics/lcb/obesity-and-diet.htm (last accessed 18 June 2015)
Cutoffs:IOTF

Overweight/obesity by socio-economic group

Adults, 2017-2018

Survey type:Measured
Age:16+
Sample size:2315
Area covered:National
References:Northern Ireland Health Survey 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718 (last accessed 30.01.19)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2017-2018

Survey type:Measured
Age:16+
Sample size:2315
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2015-2016

Survey type:Measured
Age:16+
Sample size:2912
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2014-2015

Survey type:Measured
Age:16+
Sample size:3172
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Age:16+
Sample size:3454
Area covered:National
References:Health Survey Northern Ireland: http://www.dhsspsni.gov.uk/index/statistics/lcb/obesity-and-diet.htm (last accessed 18 June 2015)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2013-2014

Survey type:Measured
Age:16+
Sample size:3454
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2012-2013

Survey type:Measured
Age:16+
Sample size:3280
Area covered:National
References:Health Survey Northern Ireland: http://www.dhsspsni.gov.uk/index/statistics/lcb/obesity-and-diet.htm (last accessed 18 June 2015)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2012-2013

Survey type:Measured
Age:16+
Sample size:3280
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2011-2012

Survey type:Measured
Age:16+
Sample size:3342
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2010-2011

Survey type:Measured
Age:16+
Sample size:2603
References:Health Survey Northern Ireland 2017/18. https://www.health-ni.gov.uk/publications/health-survey-northern-ireland-first-results-201718(last accessed 14.07.20)
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Children, 2012-2013

Survey type:Measured
Age:2-10
Area covered:National
References:Health Survey Northern Ireland: http://www.dhsspsni.gov.uk/index/statistics/lcb/obesity-and-diet.htm (last accessed 18 June 2015)
Cutoffs:IOTF

Boys, 2001-2002

Survey type:Measured
Sample size:2039
Area covered:National
References:Whelton H, Harrington J, Crowley E, Kelleher V, Cronin M, Perry IJ. Prevalence of overweight and obesity on the island of Ireland: results from the North South Survey of Children’s Height, Weight and Body Mass Index, 2002. BMC Public Health. 2007;7:187.
Notes:In NI disadvantage was classified according to whether the parents or guardians of the children or adolescents in the sample were in receipt of any Low-income Benefits. Comparison data with Republic of Ireland also available.
Cutoffs:Other

Girls, 2001-2002

Survey type:Measured
Sample size:2039
Area covered:National
References:Whelton H, Harrington J, Crowley E, Kelleher V, Cronin M, Perry IJ. Prevalence of overweight and obesity on the island of Ireland: results from the North South Survey of Children’s Height, Weight and Body Mass Index, 2002. BMC Public Health. 2007;7:187.
Notes:In NI disadvantage was classified according to whether the parents or guardians of the children or adolescents in the sample were in receipt of any Low-income Benefits. Comparison data with Republic of Ireland also available.
Cutoffs:Other

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