By Andrew Mitchell, Senior Correspondent, HR Leadership
A quiet but accelerating leadership gap is opening in the C-suite. Analysis of publicly available CHRO data and executive compensation filings shows that roughly 30% of current CHROs and VP-level HR leaders at Fortune 1000 companies will be eligible for retirement by 2029 — the highest rate among all C-suite positions.
The problem is not just that these leaders are aging. The CHRO role has evolved so dramatically in the past five years that the internal talent pipeline looking ready to step in is shallow, uneven, and often unprepared for the expanded scope of modern CHRO responsibilities.
The numbers behind the wave
A 2026 analysis by Korn Ferry of 500 publicly traded companies found that the average age of a CHRO is 54.2 years — up 3.1 years from 2019. Nearly 40% of those in the role are 55 or older, meaning they are in the standard retirement window within the next five years.
Compare that to the CEO and CFO positions, where the average age is 51.3 and 50.8 respectively, with a more robust pipeline of internal candidates. The CHRO role, historically viewed as an early-career C-suite destination rather than a final executive position, has become something else: a senior steward role that often requires decades of industry-specific institutional knowledge.
That reversal is the heart of the problem. Companies spent a decade building HR leadership benches on the assumption that the CHRO seat was a place to develop future executives. It is now, in practice, a seat many incumbents intend to hold until they retire — and the institutional knowledge locked in those seats leaves with them.
What has changed
The modern CHRO is no longer just the head of HR. They are expected to manage:
- Workforce strategy and talent analytics
- DEI as a business strategy, not a compliance function
- Mental health and employee well-being at scale
- Union relations in an era of renewed labor organizing
- AI and technology integration across the people function
- Mergers and acquisitions — cultural due diligence and integration
- Compensation strategy in the age of pay transparency laws
A 2025 Mercer survey of 300 CHROs found that the role had expanded by an average of 40% in scope over the previous three years, while internal successor readiness was rated at only 58%.
Read those two numbers together, because the gap between them is the succession crisis in miniature. The job grew by two-fifths while less than three-fifths of the organizations surveyed believed their own internal candidates were ready for it. A role that expanded faster than the development systems designed to feed it cannot be backfilled by the old succession logic, in which a senior HR VP learned the CHRO job by watching the sitting CHRO do a job that no longer exists.
The pipeline gap
A 2026 study by the Center for Creative Leadership followed 150 companies that experienced a CHRO departure between 2023 and 2025:
- 35% promoted from within, but only 12% of internal promotions were to a dedicated CHRO — most went to VPs of HR who assumed the title temporarily
- 28% hired externally, with an average onboarding period of 9 months and a 31% failure rate within the first two years
- 22% had the CEO absorb the role, creating a "COO-lite" position
- 15% hired a "virtual CHRO" from a consulting firm, a stopgap that revealed structural gaps in their people operations
The distribution matters more than any single figure. Fewer than four in ten departures produced a clean, durable succession event. The other six produced a temporary title, a nine-month ramp with a roughly one-in-three chance of failure, a CEO taking on a second job, or a consultant holding the fort — four variations on the same admission that no ready successor existed.
The most quietly damaging outcome is the CEO absorption path. It looks like continuity on an org chart, but a CHRO function reporting to a CEO who is personally covering it is a function without an owner, and it tends to persist long after the covering arrangement was meant to be temporary.
Industry variation
The succession gap is not uniform. Technology companies, where the CHRO role evolved faster and more recently, have a deeper pipeline. Healthcare, manufacturing, and financial services — industries where HR leaders have spent 20-30 years building deep institutional knowledge — are facing the steepest vacancies.
The pattern is intuitive once you name it: the deeper the institutional knowledge in a single incumbent, the more acute the loss when they leave, and the longer it takes any successor to replicate it. Regulated, long-cycle industries are being hit hardest precisely because their HR leaders accumulated the most context.
What leading companies are doing
Organizations addressing the challenge proactively are:
- Creating "CHRO-in-residence" programs where high-potential HR leaders shadow sitting CHROs for 6-12 months
- Investing in skills-based succession plans that map specific capabilities to the expanding CHRO role
- Partnering with business schools to develop executive education programs focused on the modern CHRO skill set
- Creating rotational programs where HR leaders rotate through finance, operations, and technology leadership
According to a 2026 Deloitte report, companies with structured CHRO succession programs experienced 40% faster post-departure performance recovery and 25% higher board confidence in people strategy continuity.
What the common thread shows is that the successful responses stop treating succession readiness as a ranking. Naming a successor is not the deliverable; exposing a candidate to the specific scopes that made the role expand — analytics, labor relations, M&A integration, pay transparency — is. Rotation through finance and operations is the tell: the CHRO job is now partly a general management job, and the benches being built reflect that.
What HR leaders should do now
Treat the retirement wave as a five-year scheduling problem, not a hiring problem. The predictions are dated 2029, which means the decisions that determine whether an organization is ready were due several years ago and the ones that determine readiness in 2029 are being made this quarter.
Three moves are in reach without a budget line. First, audit the top HR bench against the current scope of the role rather than the scope it had when those leaders were promoted — the Mercer readiness figure suggests most self-assessments are measuring against the old job. Second, put the highest-potential HR leader in front of one live, cross-functional problem that touches workforce cost, labor relations, or integration, this half. Third, surface the succession question to the board now, while the answer can still be a plan rather than an incident report; Deloitte’s board-confidence finding is the metric that will be read back to them.
The wave itself is not the risk. Arriving at 2029 with a title and no ready owner is.
Sources:
- Korn Ferry, "Executive Succession Report 2026," 2026
- Mercer, "The Evolving CHRO Role: Scope and Readiness," 2025
- Center for Creative Leadership, "CHRO Departure Impact Study," 2026
- Deloitte, "The Future of the CHRO: Leadership Pipeline Analysis," 2026
- Harvard Business Review, "The Succession Crisis in HR Leadership," 2025
- SHRM, "State of HR Leadership in 2025-2026"
- Bureau of Labor Statistics, executive employment and compensation data