Household Budget Survey (HBS) 
Percentage distribution of households and persons according to different classification variables 
Distribution according to level of education of main provider
Unidades: %
	Households																	People																	
	2022	2021	2020	2019	2018	2017	2016	2015	2014	2013	2012	2011	2010	2009	2008	2007	2006	2022	2021	2020	2019	2018	2017	2016	2015	2014	2013	2012	2011	2010	2009	2008	2007	2006	
        Total	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	
        Inferior a la primera etapa de Educación Secundaria	15,33	15,6	16,79	19,05	19,59	20,18	20,36	19,8	17,18	17,76	19,13	21,02	25,71	27,32	30,24	32,59	36,06	13,74	13,68	14,54	16,96	16,84	17,61	17,99	17,53	15,14	16,08	17,1	18,9	23,42	24,67	27,43	29,82	33,53	
        First stage of secondary education and the like	25,51	26,06	26,92	26,75	27,81	28,53	29,08	29,68	33,44	33,43	33,27	31,84	29,83	29,02	27,47	25,52	23,65	26,13	26,7	27,77	27,62	29,03	29,95	30,33	30,79	34,49	34,2	34,59	33,06	31,66	30,86	29,74	27,6	25,95	
        Second stage of secondary education and non-upper post-secondary education.	19,88	19,62	19,13	18,72	18,4	18,73	18,38	19,11	18,24	18,69	18,74	18,32	17,15	16,8	16,46	16,2	15,74	19,76	19,83	19,79	19,29	19,1	19,1	18,83	19,85	18,96	19,56	19,47	19,22	17,96	17,84	17,27	17,22	15,99	
        Enseñanzas de Formación Profesional de Grado Superior y similares	11,5	10,96	10,22	9,84	9,54	9,03	9,14	8,87	8,75	8,15	7,69	7,78	7,4	7,49	7,01	6,55	6,19	11,75	11,61	10,64	10,22	10,04	9,53	9,59	9,41	9,07	8,46	8,03	8,04	7,44	7,61	7,17	6,75	6,47	
        Grado (240 ETCS), Diplomatura, Ingeniería Técnica y similares	9,79	10,09	8,97	8,9	8,75	8,64	8,51	8,24	8,59	8,49	8,31	9,12	7,61	7,22	7,31	7,31	7,21	9,68	9,97	9,04	8,91	8,7	8,65	8,49	8,12	8,42	8,18	8,04	8,9	7,37	6,97	7,06	7,06	7	
        Grado (más de 240 ECTS), Licenciatura, Ingeniería, Máster, Doctorado	17,99	17,67	17,97	16,74	15,91	14,88	14,53	14,3	13,8	13,48	12,85	11,93	12,3	12,16	11,5	11,83	11,16	18,93	18,21	18,21	17,01	16,28	15,16	14,77	14,31	13,92	13,52	12,77	11,89	12,15	12,06	11,33	11,56	11,07	
Notas:
Until 2014, all university degree programmes were included in a single category ¿Degree (240 ETCS), Undergraduate degree...¿. 
Illiterate persons are included in the category ¿Below first stage of secondary education¿.
Fuente: