Abolish income tax entirely. Stop taxing labour income. The incentive to earn, build, invest and create during a lifetime is maximised, not diminished — you keep what you make.
Current Assessment
Income tax and National Insurance together raise £475bn a year — 55%+ of all UK tax receipts — entirely dependent on labour income. This claim is the destination of the transition, not something that happens on day one: per the two-stage transition claim, income tax stays untouched through Stage 1, and is phased down only as inheritance tax revenue grows to replace it. Full abolition is the end state, reached "as inheritance tax revenue reaches parity with the income tax base it replaces."
Evidence
The structural case: 0% income tax on earned income is the proposed end state, preserving the incentive to earn, build and create fully.1 This depends entirely on the 95% inheritance tax claim actually reaching a comparable scale of revenue — this claim has no independent evidentiary basis of its own beyond that dependency.
Assumptions
- Full dependency on the 95% IHT claim reaching parity. This claim cannot be evaluated independently — its viability is entirely downstream of whether inheritance tax revenue actually reaches £475bn. Per the Numbers Ledger, that only happens if IHT revenue lands at the very top of its own stated £200–450bn range; at the low end, £275bn of income tax would need to either stay in place or be replaced by something not yet named.
- No interim floor is specified. The pillar does not state what happens to public services funded by income tax if the IHT ramp-up is slower than the two-stage plan assumes — the phased reduction is described as "aligned to growing inheritance tax revenue" but without a stated mechanism for what happens if that growth disappoints.
Cross-Pillar Relationships
| Pillar | Connection |
|---|---|
| 95% Inheritance Tax | This claim's entire viability depends on that one reaching the scale needed to replace £475bn — see the Numbers Ledger for how far short of that the current estimate range falls at its low end. |
| Two-Stage Transition | Describes exactly when and how the phase-down happens. |
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Update History
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