PDV Change 2012–2022: Which Counties Gained Data Visibility Fastest?

All counties improved — color shows whether gain was above or below the national median (+0.88 points)  |  Wei & Zhu (2026)
PDV gain 2012→2022
+0.38
slowest+0.88
median+1.88
fastest
Highlight
Statistics
Nat'l median gain+0.875
Above median—
Below median—
Fastest county—
Slowest county—
Category guide
Top quintile gain (>1.12)
Above median gain
Slightly above median
Slightly below median
Below median gain
Bottom quintile (<0.88)
Missing data