# Data dictionary: JOA Job Market Report, September 2026

File: joa-job-market-2026-09.csv. Aggregates only; no adverts, employers or personal data. Data as of 4 October 2026. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite: Job Opportunities API (2026), JOA Job Market Report, September 2026, https://jobopportunitiesapi.org/reports/job-market-september-2026.

| column | meaning |
|---|---|
| table | Name of the table in the report: regions, countries, own_site_pay_league, at_vs_de, us_states, us_law_groups, work_model_*, concentration, role_families, weekly_panel, coverage_index, age_by_vendor. |
| group | Grouping of the row, for example the region, or for US states the law group (law, comparison, excluded). |
| country_or_region | ISO 3166-1 alpha-2 country code, or Europe / North America / Other / Country unknown. |
| state_or_category | US state code, recruiting system, role family or week start date, depending on the table. |
| metric | Name of the measure. *_pct are percentages; n_open is open adverts; employers is distinct company records. |
| value | Value of the measure. |
| unit | percent, adverts, employers or ratio. |
| n | Sample size behind the value: the number of adverts in the base (see note where the base is a subset). |
| note | Definition or caveat for the row. |

Thresholds: a percentage appears only where its base has at least 100 adverts. Employers are distinct company records and are not additive across rows. Pay parsed from German advert text exists only for Austria and Germany.