Survey on Households and the Environment 
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Percentage of dwellings whose residents have suffered problems with noise in their surroundings, by type of home and cause, and which have taken some measure
Units: %  over the total number of dwellings

	With a noise problem	Due to overland traffic	Due to air traffic	Due to neighbours	From animals	Mechanical causes (including construction)	Due to trade and recreational activities	Due to informal urban get-togethers (outdoor drinking)	Other causes	Have taken some measure against noise (*)	
TOTAL	25.1	11.7	1.9	8.9	2.8	7.3	3.5	2.8	1.5	31.0	
Single-person Household	21.2	9.6	1.2	7.8	2.3	6.5	3.3	2.7	1.8	27.0	
Couple alone	24.7	11.1	1.6	9.0	2.7	6.4	3.4	2.8	1.3	32.3	
Couple with children	26.5	12.6	2.3	9.0	3.3	8.1	3.5	2.8	1.7	32.5	
Father or mother alone  alone with at least one child	25.7	12.9	1.4	9.1	2.5	7.1	4.4	2.5	0.9	33.1	
Another type of household	26.2	11.9	2.2	9.9	2.5	7.3	3.4	3.2	1.4	26.6	
Notes:
1) (*) % over the total number of dwellings with noise problems
Source: National Statistics Institute