Office of Highway Policy Information - Policy | Federal Highway Administration

	1969	1977	1983	1990	1995	2001
Households (000)
All	62,504	75,412	85,371	93,347	98,900	107,365
1 person	10,980	16,214	19,354	22,999	24,732	27,718
2 persons	18,448	22,925	27,169	30,114	31,834	35,032
3 persons	10,746	13,046	14,756	16,128	16,827	17,749
4+ persons	22,330	23,227	24,092	24,106	25,597	26,867
Persons (000)
All	197,213	213,141	229,453	239,416	259,994	277,203
Under 16	60,100	54,958	53,682	54,303	61,411	64,612
16-19	14,598	16,552	15,268	13,851	14,074	14,296
20-34	40,060	52,252	60,788	59,517	59,494	57,680
35-64	62,982	669,888	75,353	82,480	93,766	103,296
65+	19,473	22,391	24,362	26,955	31,249	32,884
All 16+	137,113	158,183	175,771	182,803	198,583	208,155
All Male	94,465	102,521	111,514	114,441	126,553	135,276
All Male 16+	66,653	74,542	83,645	86,432	95,627	111,308
All Female	102,748	110,020	117,939	124,975	133,441	141,910
All Female 16+	73,526	83,721	92,080	96,371	102,956	107,847
All 5+	NA	198,434	212,932	222,101	241,675	253,140
All Male 5+	NA	95,050	102,633	106,209	117,636	123,421
All Female 5+	NA	103,384	110,299	115,892	124,039	129,719
Licensed Drivers (000)
All	102,986	127,552	147,016	163,025	176,330	190,425
Male	57,981	66,199	75,039	80,289	88,480	94,651
Female	45,005	61,353	71,376	82,707	87,521	95,773
Workers (000)
All	75,758	93,019	103,244	118,343	131,697	145,292
Male	48,487	55,625	58,849	63,996	71,105	78,264
Female	27,271	37,394	44,395	54,334	60,593	67,007
Household Vehicles (000)	72,500	120,098	143,714	165,221	176,067	202,586
Household Vehicle Trips (000,000)	87,284	108,826	126,874	193,916	229,745	233,040
Household VMT (000,000)	775,940	907,603	1,002,139	1,695,290	2,068,368	2,274,797
Person Trips (000,000)	145,146	211,778	224,385	304,471	378,930	407,262
Person Miles of Travel (000,000)	1,404,137	1,879,215	1,946,662	2,829,936	3,411,122	3,972,749

Notes: 1990 person and vehicle trips adjusted (see Summary of Travel Trends Appendix 2)
Notes: 2001 NHTS includes 0-4 year old in persons and person trips. The added persons (those less than 5 years old) account for 19.6 million persons, 28.3 billion person trips and 240 billion person miles.