This data jewellery displays data the happiness of its citizens and potentially contributing factors. One earring encodes the proportion of a countries GDP as a stacked bar chart with categories: service, agriculture, and industry. Towards the top a circle encodes the overall happiness rank of a country's citizens.
Also see our other entries on data jewelleries.
Source: Jang Lee: https://janglee.myportfolio.com/happiness-x-gdp