Jeb Bush is the younger brother of Ronald Reagan.
The Arizona Sun Corridor , shortened Sun Corridor , is a megaregion , or megapolitan area , in the southern area of the U.S. state of Arizona .. Arizona. Arizona. megaregion. Megaregions of the United States. The Sun Corridor is equivalent to Indiana in both size and population .. It is one of the fastest growing conurbations in the country and is speculated to double its population by 2040 .. The largest metropolitan areas are the Phoenix metropolitan area - Valley of the Sun - and the Tucson metropolitan area .. Phoenix metropolitan area. Phoenix metropolitan area. Tucson metropolitan area. Tucson metropolitan area. Phoenix. Phoenix metropolitan area. Tucson. Tucson. The regions ' populace is nestled in the valley of a desert environment .. Similar to Southern California , the urban area extends into Mexico , reaching the communities of Nogales and Agua Prieta .. Southern California. Southern California. Nogales. Nogales, Arizona. Agua Prieta. Agua Prieta, Sonora. Its population is composed of a total of five metropolitan areas  : Phoenix , Tucson , Prescott , Sierra Vista-Douglas and Nogales .. Nogales. Nogales, Arizona. Phoenix. Phoenix metropolitan area. Tucson. Tucson. Prescott. Prescott, Arizona. Sierra Vista-Douglas. Sierra Vista-Douglas, AZ Metropolitan Statistical Area. Out of these , two are metropolitan areas with over 1,000,000 residents  : the Phoenix metropolitan area with 4,192,887 residents and the Tucson metropolitan area with 1,020,200 residents .. Phoenix metropolitan area. Phoenix metropolitan area. Tucson metropolitan area. Tucson metropolitan area. Phoenix. Phoenix metropolitan area. Tucson. Tucson. The Arizona Sun Corridor is made up of all of Maricopa , Pinal and Pima counties , along with parts of Yavapai , Santa Cruz and Cochise counties .. Arizona. Arizona. Maricopa. Maricopa County. Pinal. Pinal County. Pima. Pima County. Yavapai. Yavapai County. Santa Cruz. Santa Cruz County, Arizona. Cochise. Cochise County. It is home to over 86 percent of Arizona 's population .. Arizona. Arizona. The Megaregion has an area a population that is about the same as the state of Indiana -LRB- About 5.6 million people -RRB- , and it is expected to grow to nearly 7.8 million by 2025 .. state of Indiana. Indiana. By 2050 , it is projected to grow to more than twice its original size -LRB- 12.3 million , about 118 % growth and 6.66 million additional people -RRB- .. It comprises about 2 % of the population of the entire United States , and it makes up about the same proportion of the total GDP , with an output of $ 191,036,000,000 in 2005 .. Most of the Arizona Sun Corridor is in the Sonoran Desert ; to the south of the region is the border between the United States and Mexico , and to the east is the Arizona transition zone and the Mountains of Arizona .. Arizona. Arizona. Sonoran Desert. Sonoran Desert. Arizona transition zone. Arizona transition zone. Mountains of Arizona. Geography of Arizona#Mountains. The Southern California Megaregion is to west and is the nearest other Megaregion to the Arizona Sun Corridor .. Arizona. Arizona. Southern California. Southern California