1. Introduction
2. Data
2.1. Radio data
2.2. Multi-wavelength catalog
3. Cross-matching of sources
4. Radio luminosity functions of AGN
4.1. Galaxy populations
4.2. Luminosity functions computation
4.3. Corrections
4.4. Bin selection
5. Results
6. Discussion
6.1. Cosmic evolution of the radio AGN population
6.2. Physical interpretation
7. Summary and Conclusion