Cover Letters: What the Data Says About Whether They Still Matter

"Nobody reads cover letters anymore."

You've heard this. You may have said it. It's also, according to the data, largely wrong, and believing it is quietly costing candidates interviews.

What Hiring Managers Actually Do

A Resume Genius survey found that 83% of hiring managers read most cover letters they receive. 94% say cover letters are influential when deciding who to interview. And here's the number that should change how you think about this: 45% of hiring managers read the cover letter before they look at the resume.

Your cover letter is often the first impression, not the second.

Applications with tailored cover letters receive callbacks 53% more often than those without. A separate analysis found that candidates who submit personalised cover letters are 1.9 times more likely to land interviews. Among recent hires, 35.4% consistently submitted a cover letter with every application.

The candidate who skips the cover letter because "nobody reads them" is skipping the document that nearly half of hiring managers look at first.

The Expectation Gap Works in Your Favour

Here's the structural advantage: most candidates don't write cover letters, or write generic ones.

Only 38% of applicants provide one when required. Even fewer put genuine effort into customisation. Which means the bar for standing out is lower than it appears, not because the standard is low, but because the average submission is so easily beaten.

A well-written, specifically targeted cover letter submitted to a role where most candidates sent a generic template or nothing at all is not a small edge. It's a significant differentiator in a market where every percentage point of advantage matters.

What "Generic" Actually Means (And Why It Fails)

A generic cover letter does one of two things: it restates what's already on the resume, or it makes vague claims, "I am a results-oriented professional with a passion for excellence", that say nothing specific and prove nothing.

Both are worse than no letter at all, because they signal either laziness or a lack of genuine interest.

The cover letters that get read and reread do something different. They address the specific role and company. They explain, in concrete terms, why this particular candidate is interested in this particular position. They connect specific experience to specific needs stated in the job description. And they communicate something about how the candidate thinks that a resume's bullet points cannot.

Research from 2025 confirms that the most effective format is what analysts call the Problem-Solution approach: identify something specific about the company's situation or challenges, and explain how your background directly addresses it. This requires genuine research and cannot be templated. Which is exactly why it works.

When Cover Letters Matter Most, and Least

The evidence suggests cover letters carry the most weight in specific circumstances:

When qualifications are close. If you and another candidate have comparable resumes, the cover letter is where differentiation happens. Survey data consistently show that when two candidates are equally matched on paper, the cover letter is often the deciding factor.

At medium and large companies. Data shows these organisations are more likely to require and carefully review cover letters than smaller firms. Hiring processes at scale tend to be more formal, with more stages where a cover letter can help or hurt.

For roles that involve written communication. In a hybrid and remote work environment where clear written communication is increasingly critical, a well-written cover letter functions as a work sample. It demonstrates the very skill the role may require.

The cases where cover letters matter least: some tech startups and smaller companies where the culture is less formal, and roles where the application process is explicitly designed to skip them. Even then, when "optional" means optional, including a strong one rarely hurts.

The One Thing Most Guides Get Wrong About Cover Letters

Most cover letter advice is focused on format: how long it should be, which salutation to use, how to structure the paragraphs.

Format matters, but it's not what makes a cover letter work.

What makes a cover letter work is specificity. A hiring manager reading fifty generic applications recognises immediately when something is real, when the person clearly read the job description, understands something about what the company does, and has thought about why they specifically belong in this role.

That specificity cannot be manufactured with a template. It comes from genuine research and genuine engagement with the opportunity. The candidates who do that work consistently, even when it's slower, are the ones building a meaningful advantage in each application.