The number of people leaving California for another state outstripped the number moving in from another state during the year ending on July 1, 2008. California lost a net total of 144,000 people during that period — more than any other state, according to census estimates. That is about equal to the population of Syracuse, N.Y.
The state with the next-highest net loss through migration between states was New York, which lost just over 126,000 residents.
Since New York has a much smaller population than California, this means that New York is losing more people in percentage terms than California.