Kuyavian-Pomeranian Voivodeship was created in 1999.
Polesie Voivodeship was created in 1918.
Podolian Voivodeship was created in 1434.
Podkarpackie Voivodeship was created in 1999.
Kalisz Voivodeship was created in 1975.
Greater Poland Voivodeship was created in 1999.
Lower Silesian Voivodeship was created in 1999.
Podlaskie Voivodeship was created in 1999.
Świętokrzyskie Voivodeship's population is 1,281,796.
The population of Pomeranian Voivodeship is 2,201,069.
Silesian Voivodeship's population is 4,676,983.
Masovian Voivodeship's population is 5,164,612.
The population of Podlaskie Voivodeship is 1,197,610.