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Recruitment methods

Recruitment metrics: seven useful measures and how to calculate them

A metric should help answer a question or make a decision. Define events, periods and populations before adding charts.

4 min read Updated 21 Sept 2026 Published by aiKip

What to remember

  • Compare coherent populations and periods.
  • Separate the vacancy timeline from the applicant’s timeline.
  • All numerical examples are fictional, not performance benchmarks.
01

Define the question first

Identify whether you need to understand slow feedback, stalled applications or channel relevance. A chart without a decision attached often becomes decoration.

Document the start event, end event, population, exclusions and review frequency. Prefer a few understandable measures to many ratios with shifting definitions.

02

Separate two recruitment timelines

One working definition measures vacancy opening to offer acceptance; another measures application to acceptance. Document your own conventions consistently.

If a vacancy opens on 1 March, a person applies on 15 March and accepts on 31 March, the date differences are 30 and 16 days. Neither is automatically the time until employment begins. Explain whether paused periods are included.

03

Seven measures to discuss

These are suggested definitions, not a claim that every measure is automatically available in aiKip or another ATS.

Working definitions
MeasureCalculationUseful question
ApplicationsCount within the defined scope.Is the volume relevant?
Interview progressionApplications reaching interview ÷ applications in the same cohort.Does targeting match the role?
Offer acceptanceAccepted offers ÷ offers with a final response.Are expectations aligned?
Time to fillAcceptance date − opening date.Where is time spent?
Applicant journeyAcceptance date − application date.How long does the person wait?
Response waiting timeTime since an action requiring a reply.Which commitments need action?
Results by sourceVolume and progression by known source.Which channels deserve investigation?
04

Use coherent cohorts

A cohort groups applications entering in the same period or recruitment. Dividing September interviews by September applications can mix older applicants with people who applied yesterday.

For a completed fictional process with 100 applications, 20 interviews, 5 offers and 4 acceptances, the ratios are 20%, 25% and 80% respectively. The four acceptances are 4% of initial applications. If records remain under review, final-looking rates are premature.

  1. 100 applications

    The fictional starting population.

  2. 20 interviews

    20 ÷ 100 = 20%.

  3. 5 offers

    5 ÷ 20 = 25%.

  4. 4 acceptances

    4 ÷ 5 = 80%.

From initial applications to four acceptances

Completed fictional cohort: 100 → 20 → 5 → 4. Bars compare counts on a common 0–100 scale. Stage conversions are 20%, 25% and 80%; the overall conversion is 4%.

View chart data
From initial applications to four acceptances (applications)
StageCount
Applications received100
Interviewed20
Offers5
Acceptances4
05

Read delay distributions

For durations of 10, 12, 15, 18 and 60 days, the median is 15 and the mean is 23. Both are valid but describe different aspects.

Include sample size and vacancy context. Animation cannot make different roles or periods comparable; definitions and data quality remain essential.

In this small example, the 60-day case represents 52% of the combined 115 days. Removing it would lower the mean to 13.75 days, but change the population. Do not discard a value merely because it is inconvenient; check for errors, pauses or a genuinely longer search.

Five durations: mean 23 days, median 15

Fictional durations sorted in ascending order. The dashed marker shows the mean. These five hires are not a benchmark.

Mean : 23 days

View chart data
Five durations: mean 23 days, median 15 (days)
HireDuration
Hire 110
Hire 212
Hire 315
Hire 418
Hire 560
06

Assess channels beyond volume

A high-volume channel may produce fewer relevant applications than a smaller one. Examine progression while recognizing small samples.

Explain attribution: a link or declared source simplifies a journey that may have several touchpoints. Never use source as a shortcut for an individual applicant’s suitability.

07

Share reports with appropriate access

Leaders may need recruitment totals without every CV; managers may need only their vacancies. Share information proportionate to the decision.

GDPR minimization and security requirements still matter. Small-group aggregate figures can sometimes identify people. Avoid ranking recruiters on timelines without considering their assigned roles and constraints.

08

Turn reporting into action in aiKip

Reliable reports depend on current application records. Check whether decisions made elsewhere are reflected in the ATS.

Choose one change, such as clarifying a stage or improving feedback timing, and assess it with stable definitions. Review aiKip’s Reports page for actual capabilities rather than assuming every formula here is automatically implemented.

aiKip guide

Frequently asked questions

What is a good recruitment timeline?

There is no universal figure. Define the measure, compare similar roles and examine the steps explaining the delay.

Can open applications be included?

Yes, but disclose that the result is provisional and explain the observation period.

Are these aiKip customer results?

No. Every numerical example is fictional and illustrates calculation and interpretation.

Published by aiKip with AI-assisted drafting. Examples and templates are illustrative, not customer results. Official references are linked beside the relevant passages and were checked for this update. Legal information should be assessed against your own situation.