Two construction workers on an elevated deck, illustrating the US construction labor shortage

The 500,000-Worker Gap: What’s Actually Driving the 2026 Construction Labor Shortage

The Associated General Contractors of America and the National Center for Construction Education and Research put a number on the 2026 US construction labor shortage: roughly 500,000 additional workers needed, up from an already-large 439,000 figure the same survey produced for 2025. The headline number gets repeated often. What gets repeated less often is why the gap keeps widening even as wages rise and firms compete harder for talent – and that structural picture matters more than the number itself for anyone planning a project pipeline.

The shape of the construction labor shortage

This is not simply a hiring-pace problem. The AGC-NCCER Workforce Survey and Bureau of Labor Statistics data point to a shortage with at least three compounding drivers.

The first is retirement. Roughly one in five construction workers is over 55, and industry estimates put the share of the current workforce projected to retire by 2031 at around 41%. That is a demographic cliff arriving on a fixed schedule, independent of how many apprentices firms recruit this year.

The second is retention. Industry-wide turnover has run near 68% in recent years, with skilled-trades separation even higher, at roughly 73%. Average tenure across the industry sits at 3.9 years. Replacing a departed hourly worker costs an estimated 16-20% of annual salary; for specialized positions, replacement cost estimates run as high as 213%. A shortage sustained by churn behaves differently from a shortage sustained by insufficient recruitment – solving it requires keeping people, not just finding them.

The third is demand concentration. Every $1 billion in construction spending requires an estimated 3,550 additional workers, and that spending is not evenly distributed. Data center construction, manufacturing reshoring, life-sciences facilities and pharmaceutical cleanroom work are absorbing skilled trades fastest, and unevenly by region – North Carolina’s Raleigh-Durham corridor has seen 9-11% wage growth driven specifically by R&D and cleanroom demand, while Florida shows the fastest sustained wage growth nationally.

Analysis: the retirement and retention figures matter more than the raw headcount gap because they describe a shortage that recruitment alone cannot close. An industry losing 41% of its current workforce to retirement within five years, while turning over two-thirds of its workforce annually, is not primarily short of new entrants – it is short of a mechanism to keep the workers it already has and transfer their knowledge before they leave. That reframes the problem from “hire more” to “retain, systematize and buy capacity differently.”

The immigration variable

Roughly one-quarter of the US construction workforce is foreign-born, and an estimated 28% of construction firms report being directly or indirectly affected by immigration enforcement activity. This is the most volatile input in the shortage model – it is policy-sensitive in a way that demographic retirement curves are not, and it can move faster than firms can adjust hiring or training pipelines. Any workforce plan built only on domestic recruitment and training timelines is implicitly assuming this variable stays stable, which is not a safe assumption to leave unstated.

What actually closes gaps like this

The following is PGAN’s advisory view, not a finding of AGC, NCCER or BLS.

Treat retention as a workforce-supply strategy, not an HR metric. At a 68% turnover rate and 3.9-year average tenure, every dollar spent on recruitment is competing against an almost-equal outflow. Firms that move retention from an HR KPI to a capacity-planning input make different investment decisions – in supervision quality, career pathing and project assignment stability – than firms treating it as a lagging indicator.

Separate the demographic shortage from the demand-concentration shortage. The 2031 retirement cliff is a slow-moving, largely predictable problem that rewards apprenticeship and succession planning started now. The data-center and cleanroom-driven regional wage spikes are a fast-moving, geographically concentrated problem that rewards flexible, project-based staffing models over long-term headcount commitments in those specific markets. Treating both with the same workforce strategy under-serves at least one of them.

Buy specialized capability on a project basis where the demand is temporary. Cleanroom, data-center and reshoring-driven skilled-trades demand is intense but not necessarily permanent in any one region. Fractional and advisory engagement models – bringing in verified, project-scoped expertise rather than committing to permanent headcount in a wage-spiking market – fit this shape of demand better than conventional hiring.

Build knowledge transfer into the retirement timeline deliberately. A predictable, five-year retirement horizon is an opportunity most firms under-use: pairing retiring senior staff with successors on a fixed transition schedule captures institutional knowledge that a resignation does not allow for.

Frequently asked questions

How many additional construction workers does the US need in 2026?

Approximately 500,000, according to the AGC-NCCER Workforce Survey, up from roughly 439,000 in 2025.

Is the construction labor shortage mainly about not enough new workers entering the trades?

No. Retirement (roughly 41% of the current workforce projected to retire by 2031) and turnover (around 68% industry-wide, 73% in skilled trades) are at least as significant as new-entrant recruitment in sustaining the gap.

Which parts of construction are most affected?

Data center construction, manufacturing reshoring, life-sciences facilities and pharmaceutical cleanroom work are cited as the sectors absorbing skilled trades fastest, with concentrated regional wage growth in areas like North Carolina’s Research Triangle and Florida.

What role does immigration play in the shortage?

An estimated one-quarter of the US construction workforce is foreign-born, and roughly 28% of construction firms report being affected, directly or indirectly, by immigration enforcement – making this one of the more policy-sensitive variables in the workforce outlook.

Sources

Figures from the AGC-NCCER Workforce Survey (2025) and Bureau of Labor Statistics data, as reported by industry sources including CIC Construction and Quickbase’s 2026 Construction Outlook. Readers making workforce-planning or investment decisions should consult the primary AGC and BLS data directly.

PGAN connects organizations with verified project-ready talent and advises on workforce and delivery capability across construction and infrastructure programs. Explore our infrastructure advisory and talent network, or request advisory. Read our related briefing on construction’s AI pilot-to-production gap.