Pay €1,050 and you get €315 back in tax (30%). Pay €1,350 and you get €337.50 back (25%). But between those two, there's a trap: paying €1,200 yields less than paying €1,050. The tipping point is €1,260.01. If you can't reach that amount, stick with €1,050.
The mechanics of the two caps
Pension savings is one of the rare Belgian products that gives you a tax reduction in the same fiscal year you make the contribution. For income year 2026, the FPS Finance offers two regimes:
| Regime | Max cap | Reduction rate | Max savings |
|---|---|---|---|
| Standard (default) | €1,050 | 30 % | €315 |
| Higher (on request) | €1,350 | 25 % | €337.50 |
For 2026, all contracts — existing and new — are by default on the standard €1,050 cap. To switch to the higher cap, you must explicitly inform your bank or insurer every year. Without this written agreement, any premium above €1,050 is rejected and refunded to you.
The trap of the €1,050 - €1,260 zone
This is what many savers don't realise: the moment you exceed €1,050, the 25% rate applies to the entire amount, not just the portion above. Consequence: the zone between €1,050 and around €1,260 is less attractive than simply staying at €1,050.
Concrete numbers
- You pay €1,050 → 30% × €1,050 = €315 reduction
- You pay €1,100 → 25% × €1,100 = €275 reduction 😱
- You pay €1,200 → 25% × €1,200 = €300 reduction
- You pay €1,260 → 25% × €1,260 = €315 reduction (back to the €1,050 level)
- You pay €1,350 → 25% × €1,350 = €337.50 reduction
If you can pay less than €1,261 per year, stick with €1,050. It is the most fiscally efficient option per euro contributed. If you can pay at least €1,261, the higher cap becomes relevant and reaches its maximum at €1,350.
The discreet bonus of municipal surcharges
The 30% (or 25%) reduction is a reduction of federal tax. But in Belgium, your municipality additionally levies a communal surcharge (usually between 5% and 9% depending on your municipality). This surcharge applies to your final federal tax — so less federal tax = also less communal surcharge.
In practice, your real saving is 30% × (1 + surcharge rate). With a 7% surcharge, your €315 federal reduction actually becomes ~€337. Discreet but noticeable.
And on payout? The 8% final tax
Pension savings is not a free gift: at age 60 (or on the 10th anniversary of the contract if you opened it after 55), a one-off 8% final tax is levied by your institution on the accumulated capital.
Concretely, on 30 years at €1,050/year
- Total paid in: €31,500
- Cumulative tax reductions: €9,450 (€315 × 30)
- Estimated final capital (4%/year branch 23 yield): ~€58,800
- 8% taxation at age 60: -€4,700
- Net capital after tax: ~€54,100
Once the tax is paid at 60, you can keep paying in until retirement (and beyond) without further taxation. Contributions after 60 still qualify for the annual tax reduction.
Pension savings is explicitly exempted from the new 10% capital gains tax that came into force on 1 January 2026. It is one of the few investment products that retains its historical tax treatment without that new layer. → See our guide on the 2026 capital gains tax.
Branch 21 or branch 23?
Pension savings can take two very different forms depending on where you place it.
| Branch 21 (insurance) | Branch 23 (bank fund) | |
|---|---|---|
| Capital | Guaranteed | Not guaranteed |
| Expected return | 1 to 2.5 %/year + possible profit-sharing | 4 to 6 %/year historically (volatile) |
| Entry fees | 0 to 6 % depending on contract | Often 0 to 3 % |
| Suitable for | < 10 years to retirement, cautious profile | > 15 years to retirement, accepting volatility |
The decisive criterion: your horizon
If you have more than 15 years until retirement, branch 23 statistically outperforms. You can absorb a 30% drop mid-way; market history shows you recover well before age 60.
If you have less than 10 years until retirement, or if a 30% drop would cause you sleepless nights, branch 21 is more cautious. The yield is lower, but your capital is protected.
Many start in branch 23 when young, then switch to branch 21 around age 50-55. Transferring between contracts within the same fiscal framework is often possible — check with your institution.
Pension savings or long-term savings?
Many confuse these two products that share a similar mechanism (tax reduction + final taxation). Yet they differ on several crucial points.
| Pension savings | Long-term savings | |
|---|---|---|
| Cap 2026 | €1,050 or €1,350 | ~ €2,450 (income-dependent) |
| Tax reduction | 30 % or 25 % | 30 % |
| Entry tax on premiums | 0 % | 2 % |
| Final taxation (age 60) | 8 % | 10 % |
| Combined? | Yes, both are independent | |
The logical order: start by maxing out pension savings (lower final tax, no entry tax). If you can save more, then open also a long-term savings — provided you have not saturated your fiscal basket with your mortgage (which uses the same basket).
Special case for the self-employed: the VAPZ/PLCI
If you are self-employed, the Free Supplementary Pension for the Self-Employed (PLCI in French / VAPZ in Dutch) is probably more efficient than classic pension savings. It allows you to contribute up to 8.17% of your net professional income (annual cap of ~€3,965 in 2026), fully deductible at your marginal tax rate (up to 50%).
Classic pension savings remains combinable with PLCI: max out the PLCI first (deduction), then add classic pension savings (30% tax reduction). The two mechanisms don't compete — they stack.
How to start (or change) in 2026
Special cases and common mistakes
You pay little or no tax
If your total annual tax is below €315, the 30% reduction on €1,050 won't fully benefit you (the reduction is capped by your tax due). Typical case: working students or very low-income individuals. In that scenario, pension savings loses its main interest.
You have multiple pension savings contracts
The tax declaration only accepts one contract per person and per year. If you have several, choose each year the one for which you declare contributions (the other isn't lost — it keeps growing, just without new tax reduction).
You have a mortgage on your main residence
Depending on your region (Wallonia, Brussels or Flanders), your loan potentially uses the same fiscal basket as long-term savings. Check with your notary or banker that the basket is not already saturated before opening a long-term savings. Classic pension savings, however, remains independent.
You live as a couple
Each partner can have their own contract and individually benefit from the reduction. For a couple paying 2 × €1,050 in 2026, that's €630 in annual tax savings. Over 30 years, that's nearly €19,000 in avoided tax — without even counting generated returns.