Each row shows where Baltimore-Columbia-Towson sits on the national distribution for one economic concept across all three mobility measures.

All income a person receives, including wages and transfers.

α Absolute mobility 45th percentile

this county national median

32.31 — Higher means children who started at the bottom reach a higher rank on average.
β Persistence 72nd percentile

this county national median

0.36 — Higher means rank sticks across generations — less mobility.
δ Extensive margin 28th percentile

this county national median

The gap for children whose parents had zero of the resource vs. the lowest positive amount.

Income earned from work (wages and salaries).

α Absolute mobility 51st percentile

this county national median

37.13 — Higher means children who started at the bottom reach a higher rank on average.
β Persistence 61st percentile

this county national median

0.34 — Higher means rank sticks across generations — less mobility.
δ Extensive margin 90th percentile

this county national median

13.35 — The gap for children whose parents had zero of the resource vs. the lowest positive amount.

The probability of owning a home (the extensive margin of housing wealth).

α Absolute mobility 22nd percentile

this county national median

53.72 — Higher means children who started at the bottom reach a higher rank on average.
β Persistence 61st percentile

this county national median

0.42 — Higher means rank sticks across generations — less mobility.
δ Extensive margin 32nd percentile

this county national median

-10.85 — The gap for children whose parents had zero of the resource vs. the lowest positive amount.

The value of housing assets a person holds.

α Absolute mobility 71st percentile

this county national median

40.86 — Higher means children who started at the bottom reach a higher rank on average.
β Persistence 80th percentile

this county national median

0.38 — Higher means rank sticks across generations — less mobility.
δ Extensive margin 36th percentile

this county national median

-2.03 — The gap for children whose parents had zero of the resource vs. the lowest positive amount.

The total value of all assets a person holds.

α Absolute mobility 35th percentile

this county national median

37.43 — Higher means children who started at the bottom reach a higher rank on average.
β Persistence 91st percentile

this county national median

0.38 — Higher means rank sticks across generations — less mobility.
δ Extensive margin 90th percentile

this county national median

10.82 — The gap for children whose parents had zero of the resource vs. the lowest positive amount.

County	State	α (absolute mobility)	β (persistence)	δ (extensive margin)	n
Anne Arundel	MD	39.31	0.379	10.65	3900
Baltimore	MD	37.53	0.423	12.39	6000
Baltimore	MD	29.11	0.371	5.29	4300
Carroll	MD	45.25	0.302	13.54	1600
Harford	MD	38.23	0.394	14.99	2000
Howard	MD	43.81	0.368	13.74	2100
Queen Anne's	MD	38.39	0.363	2.57	450

Baltimore-Columbia-Towson

The five lenses at a glance