Table 2: Summary statistics of emigrants and nonemigrants, 1998.

Emigration from theEmigration from the US
United StatesSocial Security system
NonemigrantsEmigrantsNonemigrantsEmigrants

Average age (years)37.837.937.835.4
Average earnings (dollars)$27,696$11,595$27,622$11,284
Percent men56%52%56%51%
Number of observations166,7344,012167,5653,181

Source. Author's calculations from merged Detailed Earnings Records, Numident, and Master Beneficiary Record data from the Social Security Administration.
Note. Universe limited to immigrants with positive earnings in 1998.