The Social Institutions and Gender index (SIGI) was first launched in 2009, and then updated in 2012 and 2014. The fourth edition of the SIGI was launched in December 2018. The index uses these four dimensions to measure the institutional effects on gender parity:
- Discrimination in the family
- Restricted physical integrity
- Restricted access to productive and financial resources
- Restricted civil liberties
Each of the four components of the index is assigned a uniform weight of 25% in the index calculation. Higher SIGI values indicate higher inequality. The SIGI ranges from 0% for no discrimination to 100% for very high discrimination.
What I have done in the visualization shown below (click through to go the visual) is to allow the user to assign a different set of weights to the four dimensions and then see how the index changes. So when the user chooses weights using the slider, a user defined SIGI is calculated using the chosen weights (instead of 25% assigned to each component in the original). The chart then reflects the change. Initially, all countries in the chart are along the diagonal as both the original and user-defined weights for the SIGI components are the same. As the user changes the weights, the countries move up or down the diagonal depending on the final SIGI value being higher or lower than the original.