In the next graph, it is possible to see quickly the progressivenesss of the Spanish main tax (IRPF). It depicts how much the net income increaseses with increasing gross salary. The data has been self made, taken into consideration Spanish taxation laws from a 10k to 100k salary.
Disclaimer: The data is approximate, do not expect high accuracy, but the trend of the data, which is the goal, is trusthworthy.
