City Comparison · Updated May 2026
Norway
COL index 92.8
Norway
COL index 82.1
Oslo vs Trondheim — Cost of Living, Salary & Tax Compared (2026)
The verdict
Living in Trondheim is 11.5% cheaper than Oslo for the same lifestyle.
Based on Q1 2026 COL index and median single-person expenditure.
Side-by-side stats
| Oslo | Metric | Trondheim | Δ |
|---|---|---|---|
| 92.8 | Cost of living index | 82.1 | -11.5% |
| €50,000 | Median gross salary | €50,000 | 0.0% |
| €35,802 | Net at €50,000 gross | €35,802 | 0.0% |
| €2,280 | Rent — 1BR centre | €1,820 | -20.2% |
| €3,256 | Monthly COL (single) | €2,667 | -18.1% |
| €38,580 | PPP — net / COL | €43,608 | +13.0% |
| 28.4% | Effective tax @ €50,000 | 28.4% | 0.0% |
Monthly expenses — paired
Salary equivalence
€50,000 gross in Norway = €2,984 net monthly.
To have the same purchasing power in Trondheim, you would need roughly €44,236 gross in Norway (≈ €2,639 net monthly, adjusted for cost-of-living index).
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Pros & cons
- −High cost of living (index 93)
- −High rent-to-income ratio (76.4%)
- +Significantly cheaper rent (€1,820)
- −High cost of living (index 82)
- −High rent-to-income ratio (61.0%)
The verdict
Across the data, Trondheim carries a lower cost-of-living index; Trondheim wins on purchasing power after costs are netted out. If purchasing power is your north star, Trondheim edges it.
Frequently asked
Is Oslo cheaper than Trondheim?+
Trondheim is cheaper. Cost-of-living index: Oslo 92.8, Trondheim 82.1 — a 11.5% difference (Q1 2026).
What is the cost of living difference between Oslo and Trondheim?+
Oslo sits at 92.8 on our COL index, Trondheim at 82.1. That works out to roughly 11.5% — Trondheim being the cheaper of the two.
Is Oslo a good place to live compared to Trondheim?+
It depends on priorities. Oslo delivers €35,802 net on a €50,000 gross salary at a 28.4% effective tax rate. Trondheim delivers €35,802 at 28.4%. Centre 1-bed rent: €2,280 vs €1,820.
How do salaries compare in Oslo vs Trondheim?+
On a €50,000 gross salary, take-home is €35,802/year (€2,984/month) in Oslo and €35,802/year (€2,984/month) in Trondheim.
Which city has lower taxes, Oslo or Trondheim?+
Norway has the lower effective rate at €50,000: Norway 28.4%, Norway 28.4%.
More Oslo comparisons
More Trondheim comparisons
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