# BLS survey `lu`

Source: U.S. Bureau of Labor Statistics, LABSTAT time-series database (https://download.bls.gov/pub/time.series/lu/). Public domain U.S. government data. Credit: U.S. Bureau of Labor Statistics.

Survey documentation: `lu.txt`.

`*_series.parquet` defines each series_id (labels); `*_data_*.parquet` holds series_id, year, period (M01-M12 monthly, Q0x quarterly, A01/M13 annual), value, footnote_codes; other files map codes to labels.

| file | rows | columns |
|---|---|---|
| lu.ages | 8 | ages_code, ages_text |
| lu.class | 6 | class_code, class_text, display_level, selectable, sort_sequence |
| lu.contacts | 5 | Current Population Survey (CPS) Contacts |
| lu.data.1.AllData | 32423 | series_id, year, period, value, footnote_codes |
| lu.earn | 2 | earn_code, earn_text |
| lu.education | 1 | education_code, education_text |
| lu.fips | 52 | fips_code, fips_text |
| lu.footnote | 3 | footnote_code, footnote_text |
| lu.indy | 40 | indy_code, indy_text |
| lu.lfst | 3 | lfst_code, lfst_text |
| lu.occupation | 30 | occupation_code, occupation_text |
| lu.orig | 2 | orig_code, orig_text |
| lu.pcts | 2 | pcts_code, pcts_text |
| lu.periodicity | 2 | periodicity_code, periodicity_text |
| lu.race | 4 | race_code, race_text |
| lu.seasonal | 2 | seasonal_code, seasonal_text |
| lu.series | 1241 | series_id, lfst_code, fips_code, series_title, tdata_code, pcts_code, earn_code, class_code, unin_code, indy_code, occupation_code, education_code, ages_code, race_code, orig_code, sexs_code, seasonal, footnote_codes, begin_year, begin_period, end_year, end_period |
| lu.sexs | 3 | sexs_code, sexs_text |
| lu.tdata | 2 | tdata_code, tdata_text |
| lu.unin | 4 | unin_code, unin_text |