Investigating electronic government maturity models

Electronic government is one of the most important phenomena in use information and communication technology, implementation which has a profound change way life, administration leadership countries combination technology web network, aims to provide direct services citizens, employees, businesses other departments. The purpose this study investigate maturity models electronic government. In present study, review method been used different e-government maturity. After reviewing all models, it was determined that four factors have considered majority them, are: 1) presence at level, 2) interaction 3) transaction 4) integration.