the highest = the best
繁栄指数 (点数、最も高い=最高)
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| オランダ | 80.78 | 80.68 | 80.79 | 81.11 | 81.07 | 81.42 | 81.57 | 82.02 | 82.43 | 82.58 | 82.26 | 82.18 |
| ルクセンブルク | 79.85 | 80.01 | 80.05 | 79.45 | 78.31 | 80.41 | 80.81 | 80.96 | 81.09 | 81.06 | 81.35 | 81.10 |
| ベルギー | 76.14 | 75.97 | 76.07 | 75.99 | 76.55 | 76.95 | 77.20 | 76.92 | 77.10 | 76.76 | 76.57 | 76.33 |