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Construction Labor Productivity: The Hidden Gift to Society
The construction workforce is getting more done per hour — but instead of charging more, the sector keeps delivering better value.
Everyone’s seen the chart: labor productivity in construction has barely moved since the 1960s, while other sectors — like manufacturing — have soared. It’s often taken as a sign that construction is outdated or inefficient.

Labor productivity index for US construction industry and all non-farm industries from 1964 through 2003, National Institute of Building Science (NIBS) 2007
But what if the truth is exactly the opposite?
Let’s be precise. Labor productivity, in economic terms, is:
Real (inflation-adjusted) economic output per hour worked.
In other words, better productivity can make labor productivity look worse.
🚧 Why the Numbers Don’t Reflect Reality
The construction industry has quietly become far more efficient over the last two decades:
Digital tools like BIM have reduced on-site guesswork and coordination delays.
Prefabrication and modular construction have slashed installation times.
Lean methods and smarter logistics help crews spend more time building and less time waiting.
All of this means that skilled workers can do more in an hour than ever before. In any normal industry that would mean the company makes more profit.
But because the industry often works in competitive or cost-plus pricing environments, those gains are passed directly to clients. Contractors don’t inflate prices — they just deliver the same (or better) work for less money.
This results in flat labor productivity statistics, but real cost savings for society.
🧮 The Math Behind the Misunderstanding
Here’s what’s happening:
Numerator (output) = Real value of the construction (inflation adjusted).
Denominator (input) = Hours worked by labor.
If value delivered goes down due to lower prices, even if fewer hours are used, the ratio might stay the same — or drop.
So, measured labor productivity remains flat, even if the real-world efficiency improved.
The result? Misleading conclusions from the data.
🏗️ A Quiet Win for Society
Far from stagnating, construction is a case study in shared efficiency.
The benefits of new methods don’t go into higher profits or inflated prices. They go back to:
✅ Public budgets & Private clients
✅ Taxpayers
✅ Housing affordability (although it does not look like that at the moment, but we will cover the reasons for that in a separate post)
✅ Infrastructure delivery
The construction workforce is getting more done per hour — but instead of charging more, the sector keeps delivering better value. That’s real productivity, even if it’s not captured by the classic economic definition.
📊 Time for Better Metrics?
There’s growing agreement among economists and researchers (e.g. OECD, CII, McKinsey) that traditional labor productivity metrics don’t capture the full picture in construction. They miss:
The shift from on-site to off-site labor
Gains in quality, safety, and speed
Lower rework and error rates
The impact of digital tools on coordination
Until we develop new measures, we should read the “flat productivity” chart not as a failure — but as a sign of cost discipline, innovation, and efficiency shared with the world.
Beware: in this article we are talking about Labor productivity. The total productivity is a different topic which we will cover in another post.
🧠 Bottom Line
Construction isn’t behind. It’s just giving its efficiency gains away — on purpose. And that’s something we should all appreciate.
Sources:
Teicholz, P. (2004). Labor-Productivity Declines in the Construction Industry: Causes and Remedies
McKinsey Global Institute (2017). Reinventing Construction
OECD (2020). Productivity Measurement and Analysis
U.S. Bureau of Labor Statistics
EU KLEMS Productivity Database