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Release date: February 2017
Revised date: May 2018
Number of housing units (million) | |||||||||
Year of construction | |||||||||
Total U.S.2 | Before 1950 | 1950 to 1959 | 1960 to 1969 | 1970 to 1979 | 1980 to 1989 | 1990 to 1999 | 2000 to 2009 | 2010 to 2015 | |
All homes | 118.2 | 20.8 | 12.6 | 12.8 | 18.3 | 16.0 | 16.8 | 17.0 | 3.8 |
Indoor light bulbs installed | |||||||||
Fewer than 20 | 46.9 | 9.8 | 5.6 | 6.0 | 7.8 | 7.0 | 5.2 | 4.5 | 1.1 |
20 to 39 | 41.4 | 7.7 | 4.7 | 4.2 | 7.0 | 5.3 | 5.6 | 5.6 | 1.3 |
40 to 59 | 18.1 | 2.2 | 1.6 | 1.6 | 2.5 | 2.4 | 3.2 | 3.8 | 0.8 |
60 to 79 | 7.6 | 0.7 | 0.6 | 0.8 | 0.8 | 0.9 | 1.7 | 1.7 | 0.4 |
80 or more | 4.3 | 0.4 | 0.2 | Q | 0.3 | 0.5 | 1.1 | 1.3 | 0.3 |
Indoor light bulbs used at least 4 hours a day | |||||||||
0 to 2 | 31.4 | 5.6 | 3.8 | 3.9 | 5.3 | 4.5 | 4.3 | 3.3 | 0.8 |
3 to 5 | 33.2 | 6.5 | 3.8 | 3.9 | 5.3 | 4.5 | 4.1 | 4.1 | 0.9 |
6 to 9 | 19.9 | 3.5 | 1.9 | 2.1 | 3.0 | 2.7 | 2.7 | 3.2 | 0.7 |
10 to 19 | 23.7 | 4.0 | 2.3 | 2.2 | 3.2 | 3.3 | 3.9 | 4.0 | 0.8 |
20 or more | 10.0 | 1.1 | 0.8 | 0.7 | 1.5 | 1.1 | 1.7 | 2.4 | 0.6 |
Incandescent bulbs installed indoors | |||||||||
Yes, at least one incandescent bulb | 96.8 | 17.0 | 10.1 | 10.5 | 15.0 | 13.3 | 14.1 | 13.8 | 3.1 |
All bulbs are incandescent | 13.2 | 2.4 | 1.2 | 1.4 | 2.3 | 1.9 | 1.8 | 1.7 | 0.4 |
Most bulbs are incandescent | 23.4 | 3.6 | 2.2 | 2.6 | 3.7 | 3.7 | 3.7 | 3.3 | 0.5 |
About half of bulbs are incandescent | 20.9 | 3.8 | 2.4 | 2.2 | 2.7 | 2.9 | 3.0 | 3.1 | 0.7 |
Some bulbs are incandescent | 39.4 | 7.2 | 4.2 | 4.3 | 6.2 | 4.8 | 5.6 | 5.7 | 1.5 |
No incandescent bulbs | 21.4 | 3.7 | 2.5 | 2.4 | 3.4 | 2.7 | 2.7 | 3.2 | 0.7 |
CFL bulbs installed indoors | |||||||||
Yes, at least one CFL bulb | 96.0 | 17.1 | 10.5 | 10.5 | 14.6 | 12.8 | 13.3 | 14.0 | 3.2 |
All bulbs are CFL | 11.6 | 2.2 | 1.5 | 1.2 | 2.0 | 1.3 | 1.4 | 1.6 | 0.3 |
Most bulbs are CFL | 25.9 | 5.2 | 2.5 | 2.9 | 3.9 | 3.0 | 3.7 | 3.7 | 1.0 |
About half of bulbs are CFL | 20.9 | 3.6 | 2.6 | 2.4 | 2.8 | 2.9 | 2.5 | 3.5 | 0.6 |
Some bulbs are CFL | 37.6 | 6.1 | 3.9 | 4.0 | 5.8 | 5.6 | 5.7 | 5.2 | 1.3 |
No CFL bulbs | 22.2 | 3.7 | 2.1 | 2.3 | 3.7 | 3.3 | 3.5 | 3.0 | 0.7 |
LED bulbs installed indoors | |||||||||
Yes, at least one LED bulb | 33.8 | 5.3 | 3.1 | 3.6 | 5.3 | 4.5 | 5.1 | 5.6 | 1.4 |
All bulbs are LED | 1.2 | Q | Q | Q | Q | 0.3 | 0.2 | Q | Q |
Most bulbs are LED | 4.1 | 0.5 | 0.5 | 0.4 | 0.8 | 0.4 | 0.5 | 0.6 | 0.2 |
About half of bulbs are LED | 4.3 | 0.7 | 0.3 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | 0.2 |
Some bulbs are LED | 24.3 | 3.9 | 2.1 | 2.7 | 3.7 | 3.2 | 3.8 | 3.9 | 0.9 |
No LED bulbs | 84.4 | 15.5 | 9.6 | 9.2 | 13.1 | 11.5 | 11.7 | 11.4 | 2.4 |
Timers or dimmers for indoor lighting | |||||||||
Yes | 35.1 | 5.6 | 3.4 | 3.8 | 5.0 | 4.9 | 5.9 | 5.5 | 1.2 |
No | 83.1 | 15.2 | 9.3 | 9.1 | 13.3 | 11.2 | 10.9 | 11.5 | 2.6 |
Outdoor light bulbs installed | |||||||||
None | 3.4 | 0.9 | 0.5 | 0.5 | 0.5 | 0.4 | 0.3 | 0.2 | Q |
1 to 4 | 51.6 | 9.8 | 7.1 | 5.8 | 7.9 | 6.6 | 6.7 | 6.4 | 1.3 |
5 to 9 | 24.0 | 3.2 | 2.3 | 2.5 | 3.4 | 3.3 | 4.3 | 4.1 | 1.0 |
10 or more | 8.6 | 0.9 | 0.6 | 0.4 | 1.1 | 0.8 | 1.9 | 2.5 | 0.4 |
Not asked (apartments) | 30.5 | 6.0 | 2.1 | 3.6 | 5.4 | 4.9 | 3.6 | 3.8 | 1.1 |
Use motion detectors or light sensors for outdoor lighting | |||||||||
Yes | 38.0 | 6.3 | 4.8 | 4.6 | 6.0 | 4.7 | 5.6 | 5.1 | 0.9 |
No | 46.3 | 7.5 | 5.3 | 4.2 | 6.4 | 6.0 | 7.3 | 7.9 | 1.8 |
No outdoor light bulbs | 3.4 | 0.9 | 0.5 | 0.5 | 0.5 | 0.4 | 0.3 | 0.2 | Q |
Not asked (apartments) | 30.5 | 6.0 | 2.1 | 3.6 | 5.4 | 4.9 | 3.6 | 3.8 | 1.1 |
1Housing characteristics data were collected between August 2015 and April 2016. Q = Data withheld because either the Relative Standard Error (RSE) was greater than 50% or fewer than 10 households responded. Notes: Because of rounding, data may not sum to totals. See RECS Terminology for definition of terms used in these tables. Source: U.S. Energy Information Administration, Office of Energy Consumption and Efficiency Statistics, Forms EIA-457A and EIA-457C of the 2015 Residential Energy Consumption Survey. |