Table A4. U.S. Vehicles by Model Year, 2001 (Million Vehicles)
2001 Household and Vehicle Characteristics	All Model Years	Model Year
		2001 to 2002	2000	1999	1998	1997	1996	1995	1992 to 1994	1989 to 1991	1986 to 1988	1983 to 1985	1980 to 1982	1977 to 1979	1976 or earlier	Don't Know
Household Characteristics
Total.............................................................	191.0	12.5	16.0	14.6	13.9	12.8	11.6	12.8	31.1	24.5	16.1	8.4	2.8	3.0	5.4	5.6
Census Region and Division
Northeast.......................................................	31.7	2.4	3.3	2.4	2.4	2.4	2.2	2.2	5.2	4.2	2.4	0.9	0.2	0.2	0.8	0.4
New England.................................................	10.0	0.7	0.9	0.8	0.9	0.8	0.7	0.7	1.7	1.1	0.8	0.2	0.1	0.1	0.2	0.1
Middle Atlantic ..............................................	21.8	1.7	2.4	1.7	1.5	1.6	1.4	1.5	3.6	3.1	1.6	0.7	0.1	0.1	0.6	0.3
Midwest ........................................................	47.1	3.0	3.6	3.6	3.6	3.2	2.7	3.2	8.3	6.1	3.9	2.0	0.7	0.8	1.4	1.1
East North Central.........................................	32.4	2.2	2.7	2.6	2.5	2.2	2.0	2.1	5.8	4.0	2.6	1.2	0.4	0.5	1.1	0.6
West North Central .......................................	14.7	0.8	0.9	1.0	1.1	1.1	0.8	1.0	2.4	2.1	1.3	0.8	0.3	0.4	0.3	0.5
South............................................................	70.2	4.6	6.1	5.7	5.3	4.7	4.5	4.9	11.4	8.7	5.7	3.2	0.9	0.9	1.9	1.8
South Atlantic................................................	38.9	2.6	3.5	3.2	3.0	2.6	2.6	2.8	5.9	4.9	3.3	1.7	0.5	0.4	1.0	0.9
East South Central.........................................	11.7	0.6	0.8	0.8	0.8	0.8	0.8	0.8	2.0	1.4	1.1	0.6	0.2	0.3	0.4	0.4
West South Central........................................	19.7	1.4	1.8	1.7	1.4	1.3	1.1	1.3	3.5	2.4	1.4	0.9	0.3	0.2	0.5	0.5
West..............................................................	41.9	2.5	3.0	2.9	2.6	2.5	2.2	2.6	6.2	5.6	4.0	2.3	0.9	1.0	1.3	2.2
Mountain ......................................................	12.2	0.8	0.9	0.8	0.7	0.8	0.7	0.8	1.9	1.5	1.0	0.7	0.3	0.3	0.4	0.7
Pacific ..........................................................	29.7	1.8	2.1	2.1	1.9	1.7	1.5	1.8	4.3	4.1	3.0	1.7	0.6	0.7	0.9	1.6
Urban Status
Urban ...........................................................	143.5	9.8	12.4	11.4	10.5	9.9	8.9	9.8	23.4	18.4	11.7	5.7	1.8	1.9	4.1	3.8
Rural ............................................................	47.6	2.6	3.7	3.3	3.4	2.9	2.7	3.1	7.7	6.1	4.4	2.7	0.9	1.1	1.3	1.8
Household Size
1 Person .......................................................	26.6	1.5	1.8	1.9	1.8	1.7	1.4	1.7	4.2	4.0	2.5	1.5	0.4	0.6	0.7	0.8
2 Persons ......................................................	65.5	4.7	5.7	5.4	4.9	4.5	4.1	4.6	10.4	7.8	5.3	2.7	0.9	1.0	1.5	2.1
3 Persons ......................................................	38.1	2.5	3.4	2.8	2.7	2.5	2.5	2.6	6.2	4.9	3.1	1.6	0.4	0.6	1.3	1.0
4 Persons.......................................................	37.0	2.4	3.2	3.1	2.9	2.5	2.2	2.4	6.2	4.6	2.8	1.4	0.6	0.4	1.0	1.1
5 Persons.......................................................	15.9	1.0	1.3	1.0	0.9	1.2	1.0	1.1	2.8	2.1	1.3	0.7	0.2	0.2	0.6	0.4
6 or More Persons ..........................................	7.9	0.4	0.5	0.5	0.6	0.4	0.4	0.4	1.2	1.1	1.0	0.4	0.2	0.1	0.3	0.3
Household Composition (EIA)1
Households With Children................................	79.8	5.2	6.9	6.2	5.7	5.5	5.0	5.2	13.2	10.0	6.8	3.3	1.2	1.0	2.4	2.1
Age of Oldest Child
Under 7 Years..............................................	20.0	1.5	1.9	1.7	1.6	1.5	1.2	1.5	3.5	2.1	1.5	0.6	0.2	0.2	0.6	0.5
7 to 15 Years................................................	41.5	2.6	3.6	3.2	2.8	2.8	2.7	2.5	6.7	5.4	3.7	1.9	0.7	0.6	1.2	1.2
16 to 17 Years..............................................	18.2	1.2	1.4	1.2	1.3	1.2	1.2	1.2	3.1	2.5	1.6	0.8	0.3	0.2	0.5	0.5
Households Without Children............................	111.2	7.3	9.1	8.5	8.2	7.3	6.6	7.6	17.8	14.6	9.2	5.1	1.6	1.9	3.0	3.5
One Adult......................................................	26.6	1.5	1.8	1.9	1.8	1.7	1.4	1.7	4.2	4.0	2.5	1.5	0.4	0.6	0.7	0.8
Age of Householder
Under 35 Years............................................	3.7	0.3	0.3	0.3	0.3	0.3	0.1	0.3	0.6	0.4	0.2	0.1	0.1	0.0	0.1	0.1
35 to 59 Years.............................................	11.5	0.7	0.8	0.8	0.7	0.7	0.7	0.7	1.7	1.6	1.1	0.7	0.2	0.3	0.3	0.4
60 Years or More.........................................	11.4	0.5	0.7	0.8	0.8	0.6	0.6	0.7	1.9	2.0	1.1	0.7	0.2	0.3	0.4	0.3
Two or More Adults........................................	84.7	5.8	7.3	6.6	6.3	5.6	5.1	6.0	13.6	10.6	6.7	3.6	1.2	1.3	2.3	2.7
Age of Householder
Under 35 Years............................................	13.4	1.0	1.2	1.1	1.1	0.9	0.8	1.1	2.2	1.8	0.8	0.4	0.1	0.1	0.5	0.3
35 to 59 Years.............................................	41.0	2.8	3.7	3.1	2.9	2.6	2.5	2.8	6.6	5.1	3.3	1.7	0.6	0.8	0.9	1.5
60 Years or More.........................................	30.3	1.9	2.4	2.4	2.4	2.0	1.8	2.0	4.9	3.7	2.6	1.4	0.5	0.5	0.9	0.9
Household Composition (NHTS)2
One adult, no children ....................................	16.4	1.0	1.1	1.2	1.1	1.2	0.9	1.1	2.6	2.4	1.5	0.9	0.2	0.3	0.4	0.5
2+ adults, no children ....................................	43.8	3.4	4.0	3.7	3.3	2.9	2.7	3.2	6.8	5.3	3.2	1.7	0.6	0.5	1.2	1.3
One adult, youngest child 0-5 ..........................	1.8	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.4	0.3	0.2	0.1	0.0	0.0	0.0	0.0
2+ adults, youngest child 0-5 ..........................	31.5	2.2	2.9	2.5	2.4	2.2	1.9	2.2	5.3	3.6	2.5	1.2	0.3	0.4	1.0	0.7
One adult, youngest child 6-15 ........................	3.5	0.2	0.2	0.3	0.2	0.3	0.2	0.3	0.6	0.5	0.4	0.1	0.1	0.0	0.0	0.1
2+ adults, youngest child 6-15 ........................	35.2	2.4	3.0	2.8	2.4	2.4	2.3	2.1	5.7	4.4	3.0	1.6	0.6	0.5	0.9	1.0
One adult, youngest child 16-21 ......................	1.7	0.1	0.1	0.1	0.2	0.1	0.1	0.1	0.3	0.3	0.2	0.1	0.0	0.0	0.0	0.0
2+ adults, youngest child 16-21 ......................	14.7	0.9	1.3	0.9	1.0	0.8	0.9	1.0	2.6	2.0	1.2	0.6	0.2	0.3	0.5	0.5
One adult, retired, no children .........................	9.5	0.4	0.6	0.7	0.7	0.5	0.5	0.5	1.6	1.6	0.9	0.6	0.2	0.3	0.3	0.3
2+ adults, retired, no children .........................	32.8	2.0	2.7	2.4	2.4	2.2	2.0	2.2	5.1	4.2	2.9	1.6	0.5	0.6	0.9	1.1
Race of Householder
White.............................................................	149.5	10.2	12.9	11.8	11.1	10.4	9.3	10.1	24.0	18.7	11.9	6.1	2.2	2.4	3.8	4.6
Black ............................................................	16.6	0.8	1.2	1.1	1.0	0.9	1.0	1.2	2.8	2.5	1.7	0.9	0.2	0.2	0.6	0.4
Other ............................................................	24.9	1.4	1.9	1.7	1.8	1.5	1.2	1.6	4.3	3.4	2.5	1.3	0.3	0.3	1.0	0.6
Hispanic Descent
Yes ...............................................................	15.0	0.8	1.2	0.9	0.9	1.0	0.7	1.0	2.6	2.0	1.6	0.9	0.2	0.2	0.6	0.4
No.................................................................	176.0	11.6	14.9	13.7	13.0	11.7	10.9	11.9	28.5	22.5	14.4	7.5	2.5	2.8	4.8	5.2
Family Income
Less than $5,000............................................	2.4	0.0	0.1	0.1	0.1	0.1	0.1	0.2	0.4	0.4	0.4	0.2	0.1	0.1	0.2	0.1
$5,000 to $9,999............................................	5.6	0.2	0.2	0.1	0.2	0.2	0.2	0.3	0.8	1.2	0.9	0.6	0.2	0.2	0.3	0.1
$10,000 to $14,999 ........................................	6.7	0.2	0.2	0.3	0.3	0.3	0.4	0.4	1.3	1.3	0.8	0.5	0.1	0.2	0.2	0.1
$15,000 to $19,999 ........................................	9.6	0.3	0.4	0.4	0.5	0.5	0.5	0.6	1.8	1.7	1.1	0.7	0.3	0.3	0.3	0.3
$20,000 to $24,999 ........................................	9.0	0.3	0.5	0.5	0.6	0.5	0.5	0.5	1.5	1.6	1.0	0.5	0.2	0.2	0.4	0.3
$25,000 to $34,999.........................................	23.1	1.0	1.4	1.5	1.6	1.5	1.3	1.6	3.9	3.5	2.4	1.2	0.4	0.4	0.6	0.9
$35,000 to $49,999.........................................	37.3	2.0	2.8	2.4	2.6	2.6	2.3	2.6	6.5	4.8	3.5	1.7	0.6	0.6	0.9	1.3
$50,000 to $74,999 ........................................	36.9	2.7	3.5	3.1	2.9	2.8	2.3	2.7	6.2	4.2	2.7	1.2	0.3	0.5	0.8	0.9
$75,000 or More ............................................	48.9	5.1	5.9	5.3	4.2	3.7	3.3	3.2	7.1	4.5	2.4	1.2	0.5	0.4	0.9	1.2
Don't Know....................................................	11.5	0.8	1.0	0.9	0.8	0.7	0.8	0.7	1.6	1.4	0.8	0.5	0.2	0.1	0.7	0.4
Income Relative to Poverty Line
Below 100 Percent..........................................	13.3	0.3	0.4	0.4	0.6	0.5	0.5	0.7	2.1	2.6	2.0	1.2	0.4	0.4	0.8	0.3
100 to 150 Percent .........................................	11.5	0.3	0.5	0.5	0.6	0.6	0.7	0.7	2.0	2.2	1.5	0.8	0.3	0.2	0.4	0.3
Above 150 Percent .........................................	154.6	11.1	14.1	12.8	11.9	10.9	9.6	10.7	25.4	18.4	11.8	5.8	1.9	2.2	3.5	4.5
Don't Know....................................................	11.5	0.8	1.0	0.9	0.8	0.7	0.8	0.7	1.6	1.4	0.8	0.5	0.2	0.1	0.7	0.4
Number of Drivers
1...................................................................	37.8	2.0	2.4	2.6	2.5	2.3	2.0