The need to assess sustainable processes and states is a driving assumption for the paper, having as an objective to explore the assessment model of the Transitioning Performance Index by the European Union. The purpose is to analyze for 24 out of the EU-27 countries for the year 2020 using multivariate, the distribution of performance within the 37 indicators used for the estimation of the transitioning performance index. The results produced 24 principal components of which the first 8 accounted for 89 percent cumulative variation and 10 accounted for 93 percent. The 24 countries selected were further classified into 4 groups based on the PCA results and the observable correlations between the original variables and the PCA were also determined. The results showed that the main indicators and the new PCA could be used as policy and decision-making guidelines for individual countries to determine strengths, weaknesses and opportunities for inclusive and sustainable development initiatives and programmes.