Sampling errors
Body Mass  of the child population, by sex and Autonomous Community. Population aged 2 to 17 years old. Variation coefficient.
Units: percentages

	Underweight	Normal weight	Overweight	Obesity	
BOTH SEXES	
    Total	5.13	2.57	4.33	5.90	
    Andalucía	11.88	7.40	9.70	13.09	
    Aragón	23.10	13.03	25.17	51.58	
    Asturias, Principado de	29.78	13.41	21.87	33.24	
    Balears, Illes	33.29	14.70	31.14	31.68	
    Canarias	24.55	11.24	16.01	17.23	
    Cantabria	25.50	15.58	27.78	60.74	
    Castilla y León	20.34	9.67	16.93	29.69	
    Castilla-La Mancha	19.46	11.11	17.89	29.53	
    Cataluña	13.22	6.42	14.00	18.34	
    Comunitat Valenciana	14.98	6.99	12.60	17.84	
    Extremadura	25.16	13.28	23.46	30.32	
    Galicia	25.48	11.43	16.60	29.01	
    Madrid, Comunidad de	18.19	7.14	13.96	17.07	
    Murcia, Región de	18.79	11.62	16.84	15.22	
    Navarra, Comunidad Foral de	26.34	10.97	19.52	32.33	
    País Vasco	18.87	9.60	13.51	26.53	
    Rioja, La	29.59	15.74	25.83	31.45	
    Ceuta	49.97	23.96	52.47	43.57	
    Melilla	40.01	22.45	36.33	45.23	
MALES	
    Total	7.50	3.50	5.65	7.95	
    Andalucía	16.73	10.35	11.20	17.44	
    Aragón	31.61	16.82	39.67	59.78	
    Asturias, Principado de	34.63	17.96	30.81	45.57	
    Balears, Illes	40.34	19.66	48.19	42.56	
    Canarias	28.73	14.36	21.62	26.60	
    Cantabria	35.02	23.93	33.30	74.36	
    Castilla y León	32.61	12.55	22.59	36.28	
    Castilla-La Mancha	27.42	16.25	23.66	35.24	
    Cataluña	18.85	9.27	19.78	28.69	
    Comunitat Valenciana	25.67	9.24	18.17	21.43	
    Extremadura	33.82	15.64	33.93	42.74	
    Galicia	34.73	15.90	20.53	41.54	
    Madrid, Comunidad de	26.07	8.70	18.22	21.78	
    Murcia, Región de	22.68	20.43	19.97	22.94	
    Navarra, Comunidad Foral de	31.57	14.88	26.75	37.99	
    País Vasco	33.78	14.31	19.54	35.74	
    Rioja, La	34.22	17.38	29.37	57.16	
    Ceuta	20.41	32.74	52.47	56.75	
    Melilla	73.71	29.17	44.01	57.89	
FEMALES	
    Total	7.01	3.77	6.53	8.71	
    Andalucía	16.43	10.60	15.54	18.93	
    Aragón	36.77	17.19	33.35	15.25	
    Asturias, Principado de	50.50	18.56	35.06	52.07	
    Balears, Illes	48.62	21.11	35.75	50.32	
    Canarias	35.84	18.35	27.84	22.52	
    Cantabria	38.48	17.46	57.80	21.32	
    Castilla y León	26.12	15.50	22.90	54.90	
    Castilla-La Mancha	28.22	15.91	27.45	43.16	
    Cataluña	20.29	8.89	19.95	24.89	
    Comunitat Valenciana	19.77	10.47	18.03	31.09	
    Extremadura	32.48	24.81	34.31	45.87	
    Galicia	38.20	15.38	24.07	34.88	
    Madrid, Comunidad de	22.06	10.77	21.11	26.76	
    Murcia, Región de	29.93	10.87	26.26	22.15	
    Navarra, Comunidad Foral de	34.58	16.10	26.74	63.99	
    País Vasco	22.95	14.81	22.20	42.07	
    Rioja, La	53.48	21.49	49.32	38.08	
    Ceuta	.	.	.	.	
    Melilla	44.65	36.37	43.82	78.02	
Notes:

.Data protected by statistical secrecy

1) Body Mass Index BMI = [weight(kg) / height(m) squared]
The symbol '.' shall be deemed as data which cannot be given due to an insufficient sample.
 The symbol '..' shall be deemed as data which are not collected for this classification in the table.
 The symbol '...' shall be deemed as an error of division by zero.
 The data corresponding to cells with fewer than 35 thousand persons must be considered with caution,  as they may be affected by a high degree of sampling error.
Source: Ministry of Public Health, Social Services and Equality and INE