What the Map Colors Mean
The color of a region in the map indicates the net migration into or out of
that region during that time period.
- Bright Yellow indicates high positive migration, into
the region. That is, many more people moved into the region than moved out of
- Bright Cyan indicates high negative migration, out of
- Colors between these extremes indicate varying degrees of migration. A
legend of the colors appears on the right-hand side of the map.
- Black indicates that no data was collected from that region
during that time period, so the net migration is unknown.
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