This is a list of Massachusetts counties by Human development index (HDI) for the year 2024. Nantucket County ranks highest with an HDI of 0.975, driven by high life expectancy, high per capita income, and strong education metrics. Closely following are Middlesex (0.973) and Norfolk (0.969) counties. At the lower end, Hampden (0.933), Bristol (0.935), and Berkshire (0.936) counties have the lowest human development indices. The overall HDI for Massachusetts stands at 0.961, the highest among all states in the United States.. [1] [2] [3]
| Rank | County | HDI |
|---|---|---|
| Very High Human Development | ||
| 1 | Nantucket | 0.975 |
| 2 | Middlesex | 0.973 |
| 3 | Norfolk | 0.969 |
| 4 | Dukes | 0.968 |
| 5 | Suffolk | 0.956 |
| 6 | Barnstable | 0.956 |
| Massachusetts | 0.956 | |
| 7 | Hampshire | 0.955 |
| 8 | Franklin | 0.953 |
| 9 | Essex | 0.952 |
| 10 | Plymouth | 0.950 |
| 11 | Worcester | 0.947 |
| 12 | Berkshire | 0.936 |
| 13 | Bristol | 0.935 |
| 14 | Hampden | 0.933 |