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Oeiras

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		2011		2021		2024		2025
		Oeiras	Portugal	Oeiras	Portugal	Oeiras	Portugal	Oeiras	Portugal
Resisent population (6)	Resisent population (6)	172,092	10,558,950	┴177,267	┴10,599,117	187,881	11,387,222	188,056	11,424,031
Area in km²	Area in km²	46	92,212	46	92,225	46	92,225	46	92,225
Parishes	Parishes	10	4,260	5	3,092	5	3,092	-	-
Young people (%) (6) aged under 15	Young people (%) (6) aged under 15	15.7	15.0	┴14.4	┴13.1	13.7	12.7	13.3	12.5
Working-age population (%) (6) 15 to 64 years	Working-age population (%) (6) 15 to 64 years	64.7	66.0	┴61.5	┴63.6	62.7	64.3	63.0	64.3
Elderly people (%) (6) 65 years and older	Elderly people (%) (6) 65 years and older	19.6	18.9	┴24.1	┴23.2	23.6	23.0	23.7	23.2
Ageing index (6)	Ageing index (6)	126	128	┴170	┴178	175	182	180	189
Births (4)	Births (4)	1,790	96,856	1,432	79,582	1,386	84,642	1,436	87,764
Deaths	Deaths	1,474	102,848	1,872	124,841	1,704	118,396	1,829	121,817
Infant mortality rate (‰) (6) deaths of children under 1 year of age per 1000 births	Infant mortality rate (‰) (6) deaths of children under 1 year of age per 1000 births	3.9	3.1	0.7	2.4	2.9	3.0	2.1	2.8
Natural increase (6) natural increase	Natural increase (6) natural increase	316	-5,992	-440	-45,259	-318	-33,754	-393	-34,053
Marriages	Marriages	499	36,035	417	29,057	740	36,633	751	37,714
Divorces	Divorces	446	26,751	248	17,279	Pro259	Pro15,743	-	-
Hospitals	Hospitals	3	226	3	240	Pro4	Pro242	-	-
Pharmacies (3)	Pharmacies (3)	47	3,074	50	3,112	51	3,123	51	3,118
Median value of bank evaluation per m²	Median value of bank evaluation per m²	1,335	865	2,330	1,231	3,020	1,662	3,546	1,949
new buildings completed for family housing	new buildings completed for family housing	60	15,434	62	10,169	71	11,537	-	-
Schools in pre-school education	Schools in pre-school education	84	6,812	82	5,774	83	5,678	-	-
Schools in 1st cycle education	Schools in 1st cycle education	51	5,221	45	4,057	46	4,005	-	-
Schools in 2nd cycle education	Schools in 2nd cycle education	14	1,170	16	1,180	16	1,182	-	-
Schools in 3rd cycle education	Schools in 3rd cycle education	18	1,516	17	1,440	16	1,406	-	-
Schools in upper-secondary education	Schools in upper-secondary education	11	937	13	967	12	970	-	-
Non-higher education students (1)	Non-higher education students (1)	27,476	1,925,956	26,241	1,575,679	26,989	1,620,555	-	-
Institutions in higher education	Institutions in higher education	6	300	6	288	6	288	6	292
Higher education students (1)	Higher education students (1)	5,053	396,268	5,224	411,995	5,706	448,235	5,986	456,032
Museums	Museums	2	377	1	419	1	475	-	-
Live show performances	Live show performances	567	25,871	543	24,469	918	44,941	-	-
Movie screens	Movie screens	21	558	16	547	17	563	16	579
Town Council expenditure on culture and sports €, Thousands	Town Council expenditure on culture and sports €, Thousands	9,502	679,396	9,138	814,797	10,240	1,231,553	-	-
Non-financial enterprises (5)	Non-financial enterprises (5)	22,831	1,113,559	25,772	1,342,116	30,409	1,576,606	-	-
Personnel employed by non-financial enterprises (5)	Personnel employed by non-financial enterprises (5)	138,751	3,631,747	160,464	4,236,222	174,301	4,944,491	-	-
Personnel employed of the four major enterprises in the municipality (%) Non financial enterprises	Personnel employed of the four major enterprises in the municipality (%) Non financial enterprises	18	2	15	2	16	2	-	-
Turnover of the four major enterprises in the municipality (%) Non financial enterprises	Turnover of the four major enterprises in the municipality (%) Non financial enterprises	16	5	17	5	17	5	-	-
Banks, Savings Banks	Banks, Savings Banks	118	5,834	68	3,266	61	2,751	-	-
Mutual Agricultural Lending Banks	Mutual Agricultural Lending Banks	2	748	2	681	2	648	-	-
ATMs	ATMs	316	13,911	230	12,486	206	12,459	204	12,369
Social Security pensions old age, disability and survivors	Social Security pensions old age, disability and survivors	38,081	2,943,654	41,966	2,977,307	42,518	3,049,678	-	-
Public Administration Retirement Fund pensions	Public Administration Retirement Fund pensions	17,972	591,777	18,850	647,483	18,679	662,667	18,761	669,351
Beneficiaries of the Social Integration Income (SII)	Beneficiaries of the Social Integration Income (SII)	4,192	447,088	1,958	262,210	1,656	226,119	1,547	213,723
Unemployed registered at public employment offices as a % of resident population aged 15 to 64	Unemployed registered at public employment offices as a % of resident population aged 15 to 64	6	8	┴5	┴6	3	4	3	4
Unemployed registered at public employment offices	Unemployed registered at public employment offices	6,200	551,944	5,333	386,230	3,933	318,687	3,623	309,939
Employees in Local Government	Employees in Local Government	1,848	131,522	2,832	-	-	-	-	-
Crimes registered by the police forces per thousand inhabitants (6)	Crimes registered by the police forces per thousand inhabitants (6)	33.1	39.3	┴24.7	┴28.7	25.3	31.4	Pro26.9	Pro32.1
Electric energy consumption per inhabitant (kWh) (6)	Electric energy consumption per inhabitant (kWh) (6)	4,445.0	4,652.1	┴Pro3,547.8	┴Pro4,591.0	Pro3,518.3	Pro4,549.0	-	-
Urban waste selectively collected per inhabitant (kg)	Urban waste selectively collected per inhabitant (kg)	190.1	71.3	┴139.9	┴114.3	158.5	121.9	-	-
Municipalities expenditure on environment per capita (6)	Municipalities expenditure on environment per capita (6)	43	57	┴93	┴84	Pre102	Pre86	-	-
Tourist accommodations (2)	Tourist accommodations (2)	7	2,019	13	6,271	21	8,173	-	-

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Sources

Sources/Entities: INE, AIMA/MP, APA/MA, BP, CGA/MTSSS-MF, DGAL/MCT, DGEEC/MECI, DGEG/MAE, DGPJ/MJ, DGS/MS, DGT/MCT-MAE, ICA/SEC, IEFP/MTSSS-ME, II/MTSSS, ISS/MTSSS, SIBS, PORDATA

Notes

When a methodological change occurs, a break in series is displayed.
More information about these figures is available by clicking on each indicator.

(1) - The year presented corresponds to the last year of the pair of academic years.

(2) - From 2014 (inclusive) includes the new Local Housing units and the housing tourism and rural area tourism establishments.

(3) - Includes mobile medicine depots.

(4) - The values presented refer to the municipality of residence of the mother (not that of the child's birth).

(5) - The values presented include enterprises, sole proprietors and the self employed. They exclude insurance and financial activities, Public Administration and Defence and Compulsory Social Security.

(6) - The figures presented between 2021 and 2024 were revised by INE as part of the revision of the Resident Population Estimates, released by the entity on June 22, 2026.