Metric permalink

Public sector net investment

Official

Part of the Fiscal Resilience domain. Public sector net investment as a percentage of GDP, measuring the government's contribution to the long-term productive capital stock.

Latest data

Latest reading

Latest value
2.6% of GDP

2026

Previous value
2.6% of GDP
+15 pts

Change between the two latest observations (2025 to 2026), in stress score.

Direction of badnesslower is worse

A lower reading is treated as worse for this indicator.

Score composition

Stress score

30/100

Since the August 2026 release

−7 ptsfrom 37 to 30

What changed on this indicator between the two releases: method only.

Blended from two measured components: (2/3 weight) and trend (1/3 weight); where no trend can be computed the metric is scored on its level alone. Volatility is published as a diagnostic and does not enter the blend. Full formula on the methodology page.

Level · 2/3 weight

20percentile

Percentile: this metric is scored against its own history, where today sits between its best and worst recorded years.

Trend · 1/3 weight

50stable

Neutral: the latest reading matches the one before it, so no change is measured.

Volatility · diagnostic, not blended

100

Measured from how much this indicator has swung period on period across its recorded history.

Data confidence and provenance

Confidence and source

0.85High0.85

How much weight to put on the reading, the mean data-confidence across the component metrics (source quality, recency and completeness).

Source

Office for National StatisticsOfficial

Public sector finances

Update frequency
Monthly
Reliability
high
View source series ↗

Provenance

Provider
ONS
Series ID
MUB2/PUSF
Frequency
quarterly
Accessed
25 August 2026

Known weakness

Investment spending is often subject to in-year underspend and reprinting; capital spending quality (what is being invested in) is not captured by the aggregate.

Notes

Verified official value from ONS (MUB2/PUSF), accessed 2026-08-25.

Historical values

History

PeriodValueRelative
20071.8
20081.8
20093
20103
20112.5
20121.9
20131.9
20141.5
20151.9
20161.7
20171.8
20182.2
20192.1
20201.9
20213.4
20222.2
20231.8
20242.4
20252.6
20262.6