BAZI (Calculating Numbers Using Allocation Methods on the Internet)
BAZI has been maintained at the Augsburg University of Applied Sciences since July 2024 under the direction of Professor Dr. Wolfgang Bischof. The program was developed at the University of Augsburg under the direction of Prof. Dr. Friedrich Pukelsheim.
BAZI is a Java program that requires a Java distribution to be installed on your computer.
Download:
BAZI-Version-2026.05.tar.gz (7.1 MB)
Note for macOS users:
If the message “Apple couldn’t verify that ‘bazi.jar’ is free of malware that could damage your Mac or violate your privacy” appears after launching bazi.jar, please run the following command in Terminal before launching it: "xattr -d com.apple.quarantine /path_to_bazi.jar/bazi.jar". After that, bazi.jar can be launched without any problems.
Additional downloads:
The BAZI database (extract from the full version) with more than 1,500 data entries on elections, ranging from the first U.S. House of Representatives census in 1790 to the 2025 German federal election:
Additional data sets not included in the full version’s database:
Local Elections in Bavaria 1996–2014.zip (4.8 MB)
An R package for the functions of the BAZI program for proportional representation elections in R; the rJava package is used for the Java objects in R:
Instructions (for earlier versions):
