The key factors that have a notable influence on the modernisation of Public Administration have been analysed. The new knowledge-based society and economy have fundamentally modified some characteristics of public organisations, which are genuine information-intensive organisations. This kind of organisation has adapted their management in order to satisfy the new social and technological requirements, such as: a more transparent management, the automation of internal processes, the introduction of knowledge management techniques, the training of public managers and the delivery of new services over the Internet.

The introduction of knowledge management techniques in Public Administration has produced important changes, namely: the need for cooperation between departments, the need for information sharing, the need for knowledge reutilisation and the need for permanent training of the organisation's members.

It is concluded that knowledge is a key asset for public organisations; public management should be oriented to satisfy client's needs; and ICTs are essential to the adaptation of public organisations to the new social requirements and the new public management trends.