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Mine permitting timelines in international context
VerdictWatch
Canada takes about 27 years from discovery to production, third-longest of any major mining jurisdiction and seven years slower than Australia, while it leads the world on exploration spending.
Why Watch ↓
Canada takes about 27 years to move a mineral discovery into a producing mine. That is the third-longest of any major mining jurisdiction, behind only Zambia and the United States, and seven years slower than Australia. Yet Canada is the world's number-one destination for exploration spending. The front of the pipeline works; the build end does not.
Related metrics. Permitting is the chokepoint between the exploration money at one end of Canada's critical-minerals chain and the refining capacity at the other. See also:

On the discovery side Canada is a global leader: in 2024 it attracted roughly one-fifth of the world's non-ferrous exploration budget and was the single most-targeted country on earth. But S&P Global's 2024 study of mines producing critical minerals found that the average Canadian project needs about 27 years from discovery to first production. Australia, a federation with comparable geology and comparable environmental and Indigenous-rights standards, does the same job in 20. The bottleneck is permitting, sequential federal–provincial review, and litigation risk in the long middle of the project life-cycle.

Discovery → production, Canada
~27 yrs
Average for mines producing critical minerals. Third-longest of any major jurisdiction (S&P Global, 2024).
Slower than Australia by
+7 yrs
Australia, the closest resource-rich democratic peer, averages ~20 years on the same measure.
Canada's share of global exploration spend
~20%
World's #1 destination in 2024 (~CAD 3.9 B). The front of the pipeline is a genuine strength.
How long it takes, by country

S&P Global examined 268 mines producing nine critical minerals (cobalt, copper, gold, lithium, nickel, palladium, platinum, vanadium, and zinc) and measured average years from discovery to first production. Canada sits near the slow end of the table, faster than the United States but well behind Australia and the lower-friction producers of West Africa and Southeast Asia.

Average years from discovery to production — mines producing critical minerals
Source: S&P Global Market Intelligence, "Mine development times: the US in perspective" (June 2024); country averages as reported July 2024. Figures cover 268 projects across nine critical minerals; jurisdiction averages reflect small project counts (Canada n=11) and should be read as indicative rather than precise. Argentina and Mongolia also rank among the five longest development times, but S&P did not publish point estimates for them, so they are omitted from the chart rather than shown with an invented value.
It is getting worse, not better. S&P's broader all-metals series shows global lead times have roughly tripled since the 1990s. Canadian and Australian mines may take long, but they reliably reach production. Several flagship US projects (Lithium Nevada, discovered 1978) still have not. Investors continue to prefer Canadian and Australian ground despite the wait.
The trend: lead times keep stretching

The cost of the wait is rising. Across all metals worldwide, the average time from discovery to production has climbed from roughly six years for mines that opened in the 1990s to nearly eighteen years for those that started up in 2020–24. Extended exploration, permitting, and financing each add to the clock.

Global average lead time, discovery to production — by start-up cohort (years, all metals)
Source: S&P Global Market Intelligence, "From 6 years to 18 years: the increasing trend of mine lead times" and "Average lead time almost 18 years for mines started in 2020–23" (2024–25). The 2020–24 figure is 17.8 years; mines in feasibility but not yet operating now average ~28 years. This is a global all-metals series and is not directly comparable to the critical-minerals country averages above.
The discovery end is the strength

The permitting verdict lands harder because the discovery end is so strong. Canada remains the world's #1 destination for mineral-exploration spending, drawing roughly a fifth of the global budget. The constraint is the regulatory middle. That capital-attraction story now has its own metric. See Mineral exploration investment (Financing) for the country rankings, provincial breakdown, and the grassroots-discovery caveat.

Findings
Finding 1
27 years is third-worst among major jurisdictions

On S&P Global's critical-minerals measure, only Zambia (~34 years) and the United States (~29) are slower than Canada (~27). Australia, Canada's natural peer, does it in 20. The longest-running global tail (Canada, the US, Argentina, Mongolia, and Zambia) is dominated by Western-style permitting and litigation regimes, not by geology.

Finding 2
The clock is lengthening, not shortening

Global lead times have risen from ~6 years (1990s start-ups) to ~12.7 years (mid-2000s) to ~17.8 years for mines opened in 2020–24, a roughly threefold increase. Mines still in feasibility today average ~28 years. The drift points to the permitting-and-financing middle of the life-cycle, not to the drill bit.

Finding 3
The discovery end is a Canadian strength

Canada attracted ~20% of the world's non-ferrous exploration budget in 2024 (~CAD 3.9 B), the top destination globally, and Canadian-headquartered firms accounted for ~38% of worldwide exploration spend. Ontario (~CAD 1.09 B), Quebec (~CAD 0.89 B), and British Columbia (~CAD 0.75 B) lead domestically. The pipeline is full at the front; the constraint is downstream.

Finding 4
The diagnosis is regulatory, and the comparator proves it

S&P attributes Canada's long timelines chiefly to permitting and overlapping federal–provincial review. Australia carries comparable environmental and Indigenous-consultation standards yet finishes seven years sooner. The gap is process design, not standards. This is the explicit rationale behind Canada's critical-minerals strategy and "one project, one review" reforms.

Verdict
Watch
StrongWatchWeak

Canada takes about 27 years from discovery to production, third-longest of any major mining jurisdiction and seven years slower than Australia, while it leads the world on exploration spending.

Compared with
Major mining jurisdictions in S&P Global's 2024 study of 268 critical-minerals mines, of which the page charts six countries and a global average.
Where Canada sits
At about 27 years, Canada is behind only Zambia (~34) and the United States (~29) on S&P Global's critical-minerals measure. Australia takes about 20.
Which way it is moving
Up. The page has no Canada-only trend, but the global all-metals lead time rose from about 6 years for 1990s start-ups to 17.8 years for 2020–24, which is a deterioration.
What the verdict follows
Position among the six countries the page charts, ranked from fastest to slowest. Canada is 4th of the six, the last place in the middle third, so the verdict is Watch, but only barely: one place slower would be Weak. Canada is also slower than every charted peer except Zambia and the United States.
Data basis
S&P Global Market Intelligence, "Mine development times: the US in perspective" (June 2024, country averages as reported July 2024), with S&P's lead-time trend series (2024–25) and World Exploration Trends 2024. Data current to 2024. Page last reviewed June 2026.
Sources & methodology
Primary sources
Methodology notes
  1. Definitions. "Discovery to production" is the elapsed time from the year a deposit is first discovered to the year of first commercial production. The country chart uses S&P's critical-minerals dataset (268 projects, nine commodities); the trend chart uses S&P's broader all-metals series grouped by start-up cohort.
  2. Comparability. The two S&P series are not directly comparable: jurisdiction averages (critical minerals) run higher than the all-metals global average (~15.5 yrs) because critical-minerals projects skew toward longer-lead deposits. Country averages rest on small samples (Canada n=11) and are indicative. The exploration figures combine two bases. S&P measures non-ferrous exploration as a share of the global budget. NRCan measures exploration plus deposit appraisal across all commodities in dollar totals. That is why Canada's ~20% global share and its ~CAD 3.9 B domestic total are reported against different denominators.
  3. Peer set. The meaningful comparators for mining are the major mining jurisdictions (Australia, the US) plus the global average, not the full G7. Japan, Germany, Italy, France, and the UK are not material mine developers.
  4. Companion workbook. The editable series live in Building_Mine-Permitting-Timelines_Data.xlsx.
Page last reviewed June 2026 · Data current to 2024 — the latest published by S&P Global Market Intelligence
Licences and attribution. Contains information licensed under the Open Government Licence – Canada. Full terms: sources and licences.
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