Census or register population by province. 1900-2006

	Population de Jure				Population de Facto
	Basque Country	Álava	Bizkaia	Gipuzkoa	Basque Country	Álava	Bizkaia	Gipuzkoa
1900	602.204	98.066	307.607	196.531	603.596	96.385	311.361	195.850
1910	672.884	99.399	352.058	221.427	673.788	97.181	349.923	226.684
1920	783.125	101.357	421.264	260.504	766.775	98.668	409.550	258.557
1930	884.601	105.729	482.603	296.269	891.710	104.176	485.205	302.329
1940	948.096	112.503	510.590	325.003	955.764	112.876	511.135	331.753
1950	1.039.465	114.139	554.302	371.024	1.061.240	118.012	569.188	374.040
1960	1.358.707	133.742	751.014	473.951	1.371.654	138.934	754.383	478.337
1970	1.867.287	199.777	1.041.461	626.049	1.878.636	204.323	1.043.310	631.003
1975	2.072.100	237.473	1.154.873	679.754	2.072.430	238.233	1.151.680	682.517
1981	2.141.809	257.850	1.189.278	694.681	2.134.967	260.580	1.181.401	692.986
1986	2.136.100	267.728	1.179.150	689.222	2.133.002	275.703	1.168.405	688.894
1991	2.104.041	272.447	1.155.106	676.488	2.109.009	276.457	1.156.245	676.307
1996	2.098.055	281.821	1.140.026	676.208	2.107.307	291.615	1.135.657	680.035
2001(a)	2.082.587	286.387	1.122.637	673.563
2006	2.129.339	305.822	1.136.852	686.665