[wdmmg-discuss] Visualization of How Much Max You Pay (in the UK)

Rufus Pollock rufus.pollock at okfn.org
Thu Jun 9 13:13:33 UTC 2011

All great suggestions Anna -- the first one I also thought about in
the context of just showing how much tax you are paying as income goes


On 9 June 2011 14:07, Anna Powell-Smith <annapowellsmith at gmail.com> wrote:
> Nice! Particularly good at showing the impact of VAT on low incomes.
> Thoughts:
> - Also interesting is total tax as a proportion of income (e.g. 40% of
> income at £10k, 30% at £500k). Perhaps the large rectangle should be
> income, and show tax as a proportion of that.
> - Adding checkboxes for smoker/drinker/driver would make it even
> better (as you have noted).
> - Obviously, 'other indirect taxes' needs explaining, plus text around
> how this is worked out - using overall tax take figures rather than
> individual incomes. Explain why there is no change at £150k when the
> 50p top tax rate kicks in.
> Anna
> On 9 June 2011 12:49, Rufus Pollock <rufus.pollock at okfn.org> wrote:
>> With a little spare time on the train yesterday I had a go at putting
>> together a visual frontend to our existing OpenSpending Tax API [1]:
>>  <http://wheredoesmymoneygo.org/tax-calculator/>
>> You can now just a slider to set your income and it will estimate your
>> total tax. Accuracy is far from 100% esp at high incomes but this is
>> based on National Statistics estimates (see Sources section on the
>> page).
>> It would be great to do this for other jurisdictions -- anyone up for
>> digging up the data for other countries? Once we have the data coding
>> a calculator is pretty easy [2].
>> Rufus
>> [1]: http://wiki.openspending.org/API#Tax_share
>> [2]: https://bitbucket.org/okfn/wdmmg/src/885d25f99caf/wdmmg/lib/calculator.py
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