The jump from individual contributor to first time manager gets less attention than later, more senior promotions, but research points to it as the single largest and most consequential step in the pipeline. Fewer people successfully make it than any later transition, and the gap it creates compounds for the rest of a career.
The largest gap in the pipeline
The eleventh year of McKinsey and LeanIn dot org's Women in the Workplace study, drawing on 124 organizations and roughly ten thousand employees surveyed, found what the research calls the broken rung. Only ninety three women are promoted to manager for every one hundred men, and the gap is wider still for women of color, seventy four for every one hundred. This is the single largest gender gap point across the entire corporate pipeline, larger than any gap that shows up at more senior levels later.
The finding is specifically about a gender pattern, and it is worth stating honestly rather than generalizing it into something it is not. But the underlying structural point, that this specific transition is unusually hard to clear and unusually consequential once missed, holds regardless of who is making the attempt.
Why this step matters more than later ones
Missing this transition does not just delay the next one. It removes you from the pool later promotions are typically drawn from, since most senior roles are filled from the existing manager pipeline rather than pulled directly from individual contributors. A missed step here does not just cost the one promotion. It quietly narrows the set of future ones available at all.
What actually helps at this stage
The skills that get someone noticed as a strong individual contributor are not the same skills that get someone promoted into managing others, and the transition often stalls because the case being made still leans on individual output rather than any demonstrated ability to develop or direct other people's work. Building visible instances of that, informally mentoring someone, leading a piece of work that requires coordinating others, is worth doing deliberately rather than waiting for a formal management assignment to prove it is possible first.
Where to start
Identify one piece of upcoming work that would let you demonstrate managing outcomes through other people, rather than producing them yourself directly, even informally, coordinating a small group, mentoring someone newer, owning the coordination of a cross functional piece of work.
Take it on deliberately, and afterward, describe it that way to your manager, specifically naming what you coordinated and through whom, not just what got delivered.
Reading which specific opportunity at your workplace would actually count as evidence of this, versus which one is just more individual output dressed up differently, is something you will judge more accurately than a general framework can. What this gives you is a reason to look for that opportunity now rather than waiting for a title to hand it to you first.
There is a specific way to describe this kind of work afterward so it reads clearly as management capability rather than just a busy period, and it is worth getting the framing right before you bring it up.