Japan's Construction Labour Shortage Widened to 1.3% in August While Material Prices Held Flat
Japan's construction labour shortage reached 1.3% in August, up 0.4 points on the year, while every surveyed building material held its price in September.
Japan's construction sector went into autumn with an unusual split. Labour is getting tighter and materials are not. The shortage rate across eight surveyed trades reached 1.3% in August 2026, widening from 1.2% in July and from 0.9% in August 2025. Two weeks later, in the first five days of September, every one of the seven material groups and thirteen individual items the ministry tracks was reported as flat on price, balanced on supply and demand, and normal on stock levels. Both releases came from Japan's infrastructure and transport ministry on 25 September 2026.
A year of slow tightening, not a sudden squeeze
The labour survey covers a single day between 10 and 20 August, excluding Sundays and holidays, across eight construction trades. The reading of 1.3% is small in absolute terms, but the direction has been consistent: 0.9% a year ago, 1.2% in July, 1.3% in August. That is 0.4 percentage points of widening over twelve months and 0.1 points over one.
The ministry's own outlook is not alarmed. For October and November the survey records the expected condition as normal. So the honest reading is a labour market that is slowly getting harder to staff rather than one that is about to stop projects.
Materials are the quiet half of the picture
The materials survey is the more striking of the two, precisely because nothing happened in it. Across cement, ready-mixed concrete, aggregates including sand, gravel, crushed stone and recycled crushed stone, asphalt mixtures, steel products including deformed reinforcing bar and H-section steel, timber including sawn wood and plywood for formwork, and petroleum products, the ministry recorded flat prices in every single category. Supply and demand were balanced in every category, and stock levels normal.
For anyone underwriting a Japanese development, that is the number that matters more than the labour figure. Material cost volatility is what breaks a construction budget between signing and completion; a survey in which nothing moved is a quiet month for that risk.
What this means for pricing
If materials are flat and labour is tightening, the cost pressure in Japanese construction is shifting from the input side to the wage side. That is a slower-moving pressure than a commodity spike, and it tends to show up in tender prices over quarters rather than weeks. It also does not distinguish between residential and civil work, because the survey does not: neither release separates housing from the rest of the sector, and we are not going to read one into it.
Where Japanese residential prices stand in our own data
Glopra's Japan row, dated 22 September 2026, carries a national transacted price of $3,307 per square metre, derived from a housing finance agency survey of used-condominium loan cases covering the 2025 financial year, with an average dwelling price of $233,816. The twelve-month price trend is +8.0% in yen and +1.6% in dollars, the five-year change is +19.9% and the ten-year change +35.0%. Our bubble score of 67 places Japan in the elevated band, transaction costs come to 10.9% of the purchase price, the standardised non-resident effective tax on rental income is 6.72% within a 2.78% to 20.42% range, and ownership is freehold including the land.
That row carries no gross rental yield, and the reason is stated rather than hidden. No Japanese publisher offers a national residential rent that can be paired with a national price on the same basis: the main private index reaches only the three metropolitan regions and a set of major cities, the ministry's own housing market survey covers private renters in the three major metropolitan areas only, and the price index published by the ministry is an index rather than a level. Pairing a price from one publisher with a rent from another would produce a yield that describes no actual property, so we leave the field empty and say why.
For Tokyo we do have a matched pair. The city row shows $11,800 per square metre and $33.48 per square metre per month from the same publisher for the 23 wards, a gross yield of about 3.4%, a bubble score of 72 and a twelve-month trend of +9.3% in yen and +2.9% in dollars. The Tokyo city row and the national row are different geographic levels and are not ranked against each other.
Sources: Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Construction Labour Supply and Demand Survey, August 2026, published 25 September 2026 https://www.mlit.go.jp/report/press/tochi_fudousan_kensetsugyo14_hh_000001_00379.html; MLIT, Survey of Supply, Demand and Price Trends for Main Construction Materials, 1 to 5 September 2026, published 25 September 2026 https://www.mlit.go.jp/report/press/tochi_fudousan_kensetsugyo14_hh_000001_00380.html