The closest available metric is probably the BEA's PCPI[1], which is $42,315 for WV. So about 30% more, but I think a more fair metric would probably adjust for differences in social entitlements and welfare.
(Per capita for both also doesn't tell us much about distributions, or even sheer numbers: the two states that have lower HDIs than the least developed region of NZ have nearly as many people as all of NZ.)
(Per capita for both also doesn't tell us much about distributions, or even sheer numbers: the two states that have lower HDIs than the least developed region of NZ have nearly as many people as all of NZ.)
[1]: https://en.wikipedia.org/wiki/List_of_U.S._states_by_adjuste...