The following table shows the difference in average income for each of the 17 autonomous communities of Spain. The data was provided by Adecco and the INE. The wealthiest Spaniards are from the Basque Country, with an average income of €27,174. The poorest Spaniards reside in Extremadura, where average income is €18,662. The data was for 2016.
The list below shows all of the autonomous communities and two autonomous cities of Spain. The list shown is from 2018 and is in Euros.[3] Catalonia and Madrid are the largest communities in Spain in terms of GDP. Ceuta and Melilla are the smallest communities in Spain and are autonomous cities. In 2018, according to DatosMacro, the economies every community in the country grew with Madrid and Cantabria with 3,7% and 3,4% respectively, whilst Murcia, the worst performing, grew by just 1.5%.
A review of the economy of the autonomous communities was published in December 2019, slightly changing the position of all regions, the data of the GDP are fully updated, however, those of the PPP are not.
Annual average exchange rates: GDP(in US$), according to List of countries by GDP (UN). It is estimated that the average exchange rate is US$0.9213 per EUR€ in 2000 and US$1.2436 per EUR€ in 2005. US$1 is about equal to EUR€0.7543 in 2010.