Friday, March 26, 2021 Economy Louisiana GDP tumbles 5.5% in 2020 By Daily Report Staff - March 26, 2021 FacebookXLinkedinEmailPrint Louisiana’s gross domestic product dropped by 5.5% in 2020 when compared to 2019, a steeper drop than the rest of the country, which declined an average of 3.5%, according to the latest data from th… Already an INSIDER? Sign in.