Table 1.

Age, sex, and geographical distribution of the study population by educational level

		Total		Primary or less		Middle school		University degree or high school
		N	col %	N	row %	N	row %	N	row %
Total		11 285 253	100	2 653 425	23.5	4 097 864	36.3	4 533 964	40.2
Age	30–34	1 027 789	9.1	28 836	2.8	337 307	32.8	661 646	64.4
	35–39	1 301 261	11.5	45 252	3.5	488 195	37.5	767 814	59.0
	40–44	1 387 211	12.3	68 194	4.9	607 045	43.8	711 972	51.3
	45–49	1 385 961	12.3	93 553	6.8	654 606	47.2	637 802	46.0
	50–54	1 205 712	10.7	129 433	10.7	545 210	45.2	531 069	44.0
	55–59	1 074 803	9.5	213 490	19.9	446 661	41.6	414 652	38.6
	60–64	1 067 215	9.5	366 595	34.4	375 798	35.2	324 822	30.4
	65–69	875 398	7.8	414 978	47.4	258 996	29.6	201 424	23.0
	70–74	829 353	7.3	487 390	58.8	197 748	23.8	144 215	17.4
	75–79	598 533	5.3	417 165	69.7	106 179	17.7	75 189	12.6
	≥ 80	532 017	4.7	388 539	73.0	80 119	15.1	63 359	11.9
Sex	Men	5 280 434	46.8	988 318	18.7	2 101 313	39.8	2 190 803	41.5
	Women	6 004 819	53.2	1 665 107	27.7	1 996 551	33.2	2 343 161	39.0
Region	Piedmont	2 754 385	24.4	641 182	23.3	1 132 173	41.1	981 030	35.6
	Emilia-Romagna	2 835 490	25.1	656 041	23.1	1 043 601	36.8	1 135 848	40.1
	Lazio	3 270 338	29.0	601 211	18.4	1 063 390	32.5	1 605 737	49.1
	Puglia	2 425 040	21.5	754 991	31.1	858 700	35.4	811 349	33.5