(参考)四輪車国内需要のうち、登録車、軽四輪車の内訳
単位:台(%=対前年度比)
| 年 度 | 登 録 車 | 軽自動車 | |||
| 台 数 | % | 台 数 | % | ||
| 1989 | 元 | 5,844,480 | 117.4 | 1,606,230 | 90.7 |
| 1990 | 2 | 5,900,341 | 101.0 | 1,902,541 | 118.4 |
| 1991 | 3 | 5,678,642 | 96.2 | 1,749,880 | 92.0 |
| 1992 | 4 | 5,270,878 | 92.8 | 1,609,685 | 92.0 |
| 1993 | 5 | 4,807,889 | 91.2 | 1,581,266 | 98.2 |
| 1994 | 6 | 5,055,374 | 105.1 | 1,641,715 | 103.8 |
| 1995 | 7 | 5,170,855 | 102.3 | 1,724,825 | 105.1 |
| 1996 | 8 | 5,561,608 | 107.6 | 1,726,352 | 100.1 |
| 1997 | 9 | 4,747,089 | 85.4 | 1,527,939 | 88.5 |
| 1998 | 10 | 4,213,480 | 88.8 | 1,653,302 | 108.2 |
| 1999 | 11 | 3,980,658 | 94.5 | 1,901,333 | 115.0 |
| 2000 | 12 | 4,119,274 | 103.5 | 1,854,165 | 97.5 |
| 2001 | 13 | 3,979,834 | 96.6 | 1,839,033 | 99.2 |
| 2002 | 14 | 4,043,464 | 101.6 | 1,820,196 | 99.0 |
| 2003 | 15 | 4,029,315 | 99.7 | 1,857,749 | 102.1 |
| 2004 | 16 | 3,939,733 | 97.8 | 1,880,989 | 101.3 |
| 2005 | 17 | 3,913,183 | 99.3 | 1,948,362 | 103.6 |
| 2006 | 18 | 3,587,929 | 91.7 | 2,030,616 | 104.2 |
| 2007 | 19 | 3,426,577 | 95.5 | 1,893,043 | 93.2 |
| 2008 | 20 | 2,891,902 | 83.3 | 1,808,877 | 95.9 |
| ◇2009 | 21 | 3,183,600 | 110.1 | 1,708,000 | 94.4 |