Survey on Households and the Environment 
Classification by characteristics of the reference person
Percentage of dwellings whose residents have suffered problems with noise in their surroundings, by size of the dwelling (no. of persons occupying it) and cause, and that 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	
Employed persons	26.7	12.2	2.3	10.4	3.4	8.1	3.7	2.7	1.8	31.4	
1. Employed full-time	26.6	12.0	2.3	10.3	3.4	7.9	3.7	2.6	1.7	31.0	
2. Employed part-time	28.5	14.1	2.1	11.0	2.9	10.8	3.7	3.6	2.4	34.9	
Unemployed person	28.1	13.9	1.7	10.9	3.2	8.2	5.0	4.6	0.8	30.2	
Inactive persons	22.2	10.5	1.3	6.4	2.0	5.9	3.0	2.7	1.3	30.5	
1. Pensioners	21.1	9.7	1.2	6.1	1.9	5.8	3.2	2.7	1.2	30.1	
2. Housework	23.7	12.0	1.3	6.4	2.1	5.2	2.3	2.6	1.4	31.9	
3. Other inactive persons	29.0	14.7	1.9	11.6	2.3	9.7	4.3	2.7	1.9	28.9	
Notes:
1) (*) % over the total number of dwellings with noise problems
Source: National Statistics Institute