# Data Dictionary - Global Average Wages (OECD) - PPP & USD, cleaned Parquet

**Units:** vary by `series` - read the per-row `unit` column (overall: USD / USD PPP).  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | ISO-3 country code (USA, DEU, JPN, …) |
| `ts` | timestamp (UTC) | Year |
| `series` | str | Avg annual wage: current USD PPP / constant USD PPP / current USD |
| `value` | float | Average annual wage |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (annual) |

*Source: OECD.*