ATS Statistics: What the Data Says About CV Screening

Understanding how widespread ATS screening is — and how effective it is at filtering candidates — puts the advice in practical context. Here is what the data tells us.

How Many Employers Use ATS?

Research across recruitment sources consistently finds that the majority of medium-to-large employers use ATS. Estimates range from 70% to over 90% for companies with more than 100 employees, depending on the study and geography.

For large employers — those with thousands of employees and high application volumes — ATS use is essentially universal. For smaller employers and startups, ATS adoption is lower but growing, particularly as integrated job board tools make ATS functionality more accessible.

What Percentage of CVs Are Filtered Before a Human Sees Them?

This is harder to measure precisely, but research and practitioner surveys suggest that:

• A significant proportion of applications to large employers are filtered or deprioritised by ATS before reaching a human
• At very high-volume roles, human recruiters may only review the top-ranked 10-20% of applications

The exact percentage varies enormously based on the employer, the role, and how the ATS is configured. But the implication is clear: optimising for ATS is not a niche concern — it affects the majority of applications to large employers.

Why Application Success Rates Are Low

Multiple factors contribute to low application-to-interview conversion rates:

1. ATS keyword mismatch (CV not matching the job description vocabulary)
2. Formatting issues preventing correct parsing
3. Genuine skills or experience gaps
4. Very high applicant volumes relative to available roles

ATS-related factors (keyword mismatch and formatting) are within your control. Addressing them can materially improve your application success rate.

The Impact of Tailoring on ATS Scores

Anecdotal evidence from CV coaches and recruitment professionals consistently shows that tailored CVs significantly outperform generic CVs in ATS scoring. The difference between a generic CV and a well-tailored one can be 20-40 percentage points in keyword match score.

This translates directly into the likelihood of human review.

The Business Case for Checking Your ATS Score

If a large proportion of your applications are being filtered by ATS, you can keep submitting and hoping — or you can run a five-minute ATS check before each application and make targeted edits. The second approach is higher effort per application but typically produces significantly better outcomes.

Check your CV's ATS score free at CVCircuit before every application.