California State (U.S.A.), a land wealth, millionaires, technologies, agriculture and great entrepreneurs

California is unique exception in USA, in terms of gross state product (GSP), which is about $2.514 trillion, the largest in the United States.

With a great market of + 39 million consumers, California's GSP is larger than the GDP of all but 5 countries in dollar terms (the United States, China, Japan, Germany, and the United Kingdom), larger than Africa, Brazil, France, Russia, Italy, India, Canada, Australia, Spain and Turkey.

The five largest sectors of employment in California are trade, transportation, and utilities; government; professional and business services; education and health services; and leisure and hospitality. 

In output, the five largest sectors are financial services, followed by trade, transportation, and utilities; education and health services; government; and manufacturing.

Agriculture is an important sector in California's economy. According to the USDA in 2011, the three largest California agricultural products by value were milk and cream, shelled almonds, and grapes.

The Central Valley is the most impoverished, with migrant farm workers making less than minimum wage.

The high-technology sectors in Northern California, specifically Silicon Valley, in Santa Clara and San Mateo counties, have emerged from the economic downturn caused by the dot-com bust.

In 2010, there were more than 663,000 millionaires in the state, more than any other state in the nation.

State spending increased from $56 billion in 1998 to $127 billion in 2011.

California now levies a 13.3% maximum marginal income tax rate with ten tax brackets, ranging from 1% at the bottom tax bracket of $0 annual individual income to 13.3% for annual individual income over $1,000,000. 

Because it is the most populous United States state, California is one of the country's largest users of energy. 

California imports more electricity than any other state. As a result of the state's strong environmental movement, California has some of the most aggressive renewable energy goals in the United States, with a target for California to obtain a third of its electricity from renewables by 2020. 

The state's crude oil and natural gas deposits are located in the Central Valley and along the coast, including the large Midway-Sunset Oil Field. Natural gas-fired power plants typically account for more than one-half of state electricity generation.

California's vast terrain is connected by an extensive system of controlled-access highways ('freeways'), limited-access roads ('expressways'), and highways. California is known for its car culture, giving California's cities a reputation for severe traffic congestion.

The state has been a pioneer in road construction. One of the state's more visible landmarks, the Golden Gate Bridge, was once the longest suspension bridge main span in the world at 4,200 feet (1,300 m) when it opened in 1937.

Los Angeles International Airport (LAX), the 6th busiest airport in the world, and San Francisco International Airport (SFO), the 23rd busiest airport in the world, are major hubs for trans-Pacific and transcontinental traffic. There are about a dozen important commercial airports and many more general aviation airports throughout the state.

California also has several important seaports. The giant seaport complex formed by the Port of Los Angeles and the Port of Long Beach in Southern California is the largest in the country and responsible for handling about a fourth of all container cargo traffic in the United States. The Port of Oakland, fourth largest in the nation, also handles trade entering from the Pacific Rim to the rest of the country. The Port of Stockton is the easternmost port on the west coast of the United States.

The California Highway Patrol is the largest statewide police agency in the United States in employment with over 10,000 employees.

The California Department of Motor Vehicles is by far the largest in North America.

Intercity rail travel is provided by Amtrak California, which manages the three busiest intercity rail lines in the United States outside the Northeast Corridor, all of which are funded by Caltrans.

California's interconnected water system is the world's largest, managing over 40,000,000 acre feet (49 km³) of water per year, centered on six main systems of aqueducts and infrastructure projects.