Data related to previous electoral processes
Percentage of postal vote estimated on the electoral census by province and elections. 
Units: 

,Municipal Elections 26-05-2019,Elections to Cortes Generales 10-11-2019,Elections to the assembly of the Community of Madrid 04-05-2021,
Total Community of Madrid,3.36,4.38,4.90,
Notes:
Source: National Statistics Institute