Voluntary Turnover Rate

Voluntary Turnover Rate: Turnover due to employee choice (resignations).

Formula

Voluntary Turnover = Voluntary departures / Average headcount × 100

Computable definition

The canonical formula in the GASP formula grammar. The MCP server compiles it to SQL over the datasets listed below.

count_distinct(field.employee_id where field.termination_type = 'voluntary' and in_period(field.termination_date)) / ((metric.total_headcount at period_start + metric.total_headcount at period_end) / 2)

Unit: percent (the formula yields an unscaled ratio)

Breakdowns

by_department: one row per department value

Notes: by_department returns one row per department, the slice that points at a team or a manager when resignations cluster.

Data requirements

Grain: Monthly aggregate · Frequency: Monthly · Aggregation: aggregate (month) · Staged: no · Main source: HRIS.

Field	Dataset	Type
`employee_id`	employee	string
`employee_status`	employee	string
`snapshot_date`	employee	date
`termination_date`	employee	date
`termination_type`	employee	string

Example SQL (Postgres)

SELECT (CAST((SELECT COUNT(DISTINCT employee_id) FROM employee WHERE snapshot_date = :period_end AND (termination_type = 'voluntary' AND (termination_date >= :period_start AND termination_date <= :period_end))) AS DOUBLE PRECISION) / NULLIF((CAST((((SELECT COUNT(DISTINCT employee_id) FROM employee WHERE snapshot_date = :period_start AND employee_status = 'active')) + ((SELECT COUNT(DISTINCT employee_id) FROM employee WHERE snapshot_date = :period_end AND employee_status = 'active'))) AS DOUBLE PRECISION) / 2), 0)) AS voluntary_turnover_rate

From an agent: with the GASP MCP server, call lookup_metric({ "name": "Voluntary Turnover Rate" }) or generate_query({ "metric": "Voluntary Turnover Rate", "adapter": "<your adapter JSON>" }).

What It Tells You

Employee satisfaction and competitiveness of employment.

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