So here it is. For one person in Baselland needing 72k of costs per year you need about 2.85 million of assets to retire at 50 and live until 90.
- Wealth tax is calculated at flat 0.5%
- Income tax is approximated with a degree 2 polynomial using 2021 tax rates for BL (ones I had easily to hand) and 2023 for Federal
- Assumes kids until 2041 (impact on tax rates)
- 4% return on assets
- 3% inflation
- 75% AHV (33/44 years)
- Effective income tax rate varies between ~15%-25%. average: 20%
- Including wealth tax, ETR averages 28%
- Formulas at bottom for those wanting to review the calculation
