Population

California: largest population in the USA

-more than 38 million people living in California

-more than ten millions are immigrants

-during the 20th century California grew enormous

(1900: two million people, 1950: ten million people)

-population is aging but California is still one of the youngest states (fifth-youngest)

( 2030: one in five will be 65 or older)

-California 'hosts' one of the largest cities in the country (3.9 million people)