The World Bank discontinued the index after 2012 and it was replaced by The Global Knowledge Index (GKI) from Knowledge4All, a joint initiative between the United Nations Development Programme (UNDP) and the Mohammed bin Rashid Al Maktoum Knowledge Foundation (MBRF).
[1] Criteria listed in a European Bank for Reconstruction and Development (EBRD) document on the KEI published in 2019 include institutional & legal frameworks (as a basis for patents etc.
Methodologically, the KI is the simple average of the normalized performance scores of a country or region on the key variables in three Knowledge Economy pillars - education and human resources, the innovation system and information and communication technology (ICT).
It is an aggregate index that represents the overall level of development of a country or region towards the Knowledge Economy.
The KEI is calculated based on the average of the normalized performance scores of a country or region on all 4 pillars related to the knowledge economy - economic incentive and institutional regime, education and human resources, the innovation system and ICT.