Measurement
Geographic mobility data is available from public government records in the United States, The European Union, and The People's Republic of China. Other countries also collect mobility data, although it may be less readily available.
Read more about this topic: Population Mobility
Famous quotes containing the word measurement:
“That’s the great danger of sectarian opinions, they always accept the formulas of past events as useful for the measurement of future events and they never are, if you have high standards of accuracy.”
—John Dos Passos (1896–1970)