Texas Had the Fastest Growth in the Fourth Quarter. Real gross domestic product (GDP) increased in 49 states and the District of Columbia in the fourth quarter of 2018, according to statistics released today by the U.S. Bureau of Economic Analysis. The percent change in real GDP in the fourth quarter ranged from 6.6 percent in Texas to 0.0 percent in Delaware (table 1). Percent Change in Real GDP by State, 2018: Q3-2018-Q4. Wholesale trade, mining, and information services were the leading contributors to the increase in real GDP nationally (table 2). Mining and wholesale trade were the leading contributors to the increase in real GDP in Texas, the fastest growing state. Click to read more at www.bea.gov.