Answers are in statistics .
In the past 20 years, per capita consumption of electricity in California has decreased by 5 percent. In the same 20 years, population in California has grown 43 percent. California's annual population growth rate of 1.7 percent exceeds that of Bangladesh. The population density of California exceeds that of Europe. 5. In the past 10 years, more people moved from California to other states than moved from other states to California.