Table 7.2: Adult BMI, 2018, by age and sex

Base: Aged 16 and over with valid height and weight measurements 2018
BMI (kg/m2) Age Total
16-24 25-34 35-44 45-54 55-64 65-74 75+
% % % % % % % %
Men Under 18.5 4 3 1 2 1 1 1 2
18.5 to less than 25 49 35 34 19 25 20 24 30
25 to less than 30 34 40 39 41 44 43 52 41
30 to less than 40 12 19 22 35 27 33 23 24
40 and overc 0 3 3 4 3 3 - 2
All 25 and overa 47 62 64 80 74 79 75 68
All 30 and overb 12 22 25 39 30 36 23 27
Mean BMI Mean 25.0 27.1 27.4 29.2 28.3 28.8 27.7 27.6
SE of the mean 0.52 0.43 0.43 0.34 0.34 0.32 0.31 0.17
Standard deviation 4.94 5.52 5.28 5.23 5.12 5.08 3.98 5.29
Women Under 18.5 7 2 1 2 0 1 2 2
18.5 to less than 25 50 43 38 30 27 26 36 35
25 to less than 30 26 31 28 35 38 37 37 33
30 to less than 40 15 20 28 28 28 31 22 25
40 and overc 2 4 5 5 7 5 3 5
All 25 and overa 43 55 61 68 72 73 62 63
All 30 and overb 17 24 33 34 34 36 24 30
Mean BMI Mean 25.2 26.9 28.0 28.6 28.8 29.0 27.2 27.8
SE of the mean 0.62 0.40 0.35 0.38 0.32 0.33 0.42 0.17
Standard deviation 5.88 5.95 5.94 6.43 5.93 6.02 5.38 6.10
All adults Under 18.5 5 3 1 2 1 1 2 2
18.5 to less than 25 50 39 36 24 26 23 30 33
25 to less than 30 31 35 34 38 41 40 44 37
30 to less than 40 13 19 25 32 27 32 22 25
40 and overc 1 3 4 5 5 4 2 3
All 25 and overa 45 58 63 74 73 76 68 65
All 30 and overb 14 23 29 36 32 36 24 28
Mean BMI Mean 25.1 27.0 27.7 28.9 28.5 28.9 27.4 27.7
SE of the mean 0.42 0.31 0.30 0.27 0.24 0.25 0.29 0.13
Standard deviation 5.37 5.73 5.62 5.89 5.55 5.59 4.78 5.71
Bases Unweighted bases Men 138 187 230 300 291 312 191 1649
Women 151 277 311 371 384 375 207 2076
All adults 289 464 541 671 675 687 398 3725
Weighted bases Men 277 314 289 315 286 236 141 1859
Women 221 308 282 345 302 261 165 1884
All adults 499 622 571 660 589 497 306 3743

a 25 and over = overweight (including obese)
b 30 and over = obese
c 40 and over = morbidly obese


Contact

Email: scottish_health_survey@gov.scot