California Air Resources Board 2008 Almanac (web) Appendix D " Basin Total, Statewide" Table D-1 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 23782000 26402401 29828496 31711849 34098740 37004660 39246767 41549270 43851741 Avg. Daily VMT/1000 403567 538319 691048 733629 799848 955233 958078 1033399.5 1104522