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Month-to-month panel weight


PANLWT is a 14-digit numeric variable with four implied decimals. That is, 12345678901234 should be interpreted as 1234567890.1234. The IPUMS command files automatically make the necessary adjustment, so no further adjustment is needed.


PANLWT is a longitudinal weight for linking adjacent months of the CPS.

Researchers interested in replicating published BLS labor force estimates should use COMPWT. When analyzing ASEC data, researchers should use the person weight ASECWT. For analyses including the variables EARNWEEK, HOURWAGE, PAIDHOUR, and UNION, researchers should use the EARNWT variable.


PANLWT is comparable across all available samples.


  • Civilians age 15+ who link from month to month.


Years Jan Feb ASEC Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1994 – 2023 X X - X X X X X X X X X X
2024 X X - X X X - - - - - - -


This variable has no flags.

Unharmonized Variables