I think the median adjusted disposable income for the two countries is within 10% or so

I've not seen figures for that, do you know where to find them? IMF Polish GDP per capita in PPP is $49,060 which is a bit further behind than that

this is consumption not income but

There are problems with Ireland the housing component of AIC. It’s extremely low and critics like Coffey say it’s not a good measure (like every Irish stat!).

Yeah, median gross wages in Lithuania and Cyprus are about €20k & €26k, I doubt there's a meaningful way they consume more than Irish residents

www.cso.ie/en/releasesa...

I can't remember precisely (there's a good chance I am muddling my figures). But I think the point is to take income Vs GDP, the median (as the UK super wealthy do skew the figs) and PPP adjustment. But again, I might be wrong. Thought it was in the FT - how the UK is a poor country plus London

There's a table in the Wikipedia page referenced.

Apologies misread what was actually being asked for.