Since I couldn't find the data online, I have calculated the adjusted GDP per capita at PPP of European countries and other developed countries by adding the share of the shadow economy ('SE' for short in the table below) to their GDP per capita. Shadow economies larger than 20% of GDP are in bold to help visualisation.
[TABLE="class: grid, width: 0"]
[TR]
[TD]Country[/TD]
[TD="align: center"]GDP per capita (2022 - IMF)[/TD]
[TD="align: center"]SE (2015)[/TD]
[TD="align: center"]SE per capita[/TD]
[TD="align: center"]Adjusted GDP/capita[/TD]
[/TR]
[TR]
[TD]Luxembourg[/TD]
[TD="align: right"]141,587[/TD]
[TD="align: right"]10.4[/TD]
[TD="align: right"]14,725[/TD]
[TD="align: right"]156,312[/TD]
[/TR]
[TR]
[TD]Ireland[/TD]
[TD="align: right"]131,034[/TD]
[TD="align: right"]9.6[/TD]
[TD="align: right"]12,579[/TD]
[TD="align: right"]143,613[/TD]
[/TR]
[TR]
[TD]Switzerland[/TD]
[TD="align: right"]84,468[/TD]
[TD="align: right"]6.9[/TD]
[TD="align: right"]5,828[/TD]
[TD="align: right"]90,296[/TD]
[/TR]
[TR]
[TD]Norway[/TD]
[TD="align: right"]78,127[/TD]
[TD="align: right"]15[/TD]
[TD="align: right"]11,719[/TD]
[TD="align: right"]89,846[/TD]
[/TR]
[TR]
[TD]United States[/TD]
[TD="align: right"]76,348[/TD]
[TD="align: right"]7[/TD]
[TD="align: right"]5,344[/TD]
[TD="align: right"]81,692[/TD]
[/TR]
[TR]
[TD]Denmark[/TD]
[TD="align: right"]69,845[/TD]
[TD="align: right"]14.7[/TD]
[TD="align: right"]10,267[/TD]
[TD="align: right"]80,112[/TD]
[/TR]
[TR]
[TD]Netherlands[/TD]
[TD="align: right"]69,714[/TD]
[TD="align: right"]7.8[/TD]
[TD="align: right"]5,438[/TD]
[TD="align: right"]75,152[/TD]
[/TR]
[TR]
[TD]Iceland[/TD]
[TD="align: right"]66,466[/TD]
[TD="align: right"]12.4[/TD]
[TD="align: right"]8,242[/TD]
[TD="align: right"]74,708[/TD]
[/TR]
[TR]
[TD]Belgium[/TD]
[TD="align: right"]62,065[/TD]
[TD="align: right"]17.8[/TD]
[TD="align: right"]11,048[/TD]
[TD="align: right"]73,113[/TD]
[/TR]
[TR]
[TD]Malta[/TD]
[TD="align: right"]56,337[/TD]
[TD="align: right"]29.4[/TD]
[TD="align: right"]16,563[/TD]
[TD="align: right"]72,900[/TD]
[/TR]
[TR]
[TD]Austria[/TD]
[TD="align: right"]66,680[/TD]
[TD="align: right"]9[/TD]
[TD="align: right"]6,001[/TD]
[TD="align: right"]72,681[/TD]
[/TR]
[TR]
[TD]Sweden[/TD]
[TD="align: right"]63,877[/TD]
[TD="align: right"]11.7[/TD]
[TD="align: right"]7,474[/TD]
[TD="align: right"]71,351[/TD]
[/TR]
[TR]
[TD]Germany[/TD]
[TD="align: right"]63,834[/TD]
[TD="align: right"]7.7[/TD]
[TD="align: right"]4,915[/TD]
[TD="align: right"]68,749[/TD]
[/TR]
[TR]
[TD]Australia[/TD]
[TD="align: right"]62,714[/TD]
[TD="align: right"]8.1[/TD]
[TD="align: right"]5,080[/TD]
[TD="align: right"]67,794[/TD]
[/TR]
[TR]
[TD]Finland[/TD]
[TD="align: right"]58,659[/TD]
[TD="align: right"]13.3[/TD]
[TD="align: right"]7,802[/TD]
[TD="align: right"]66,461[/TD]
[/TR]
[TR]
[TD]Cyprus[/TD]
[TD="align: right"]49,504[/TD]
[TD="align: right"]32.2[/TD]
[TD="align: right"]15,940[/TD]
[TD="align: right"]65,444[/TD]
[/TR]
[TR]
[TD]Canada[/TD]
[TD="align: right"]58,292[/TD]
[TD="align: right"]9.4[/TD]
[TD="align: right"]5,479[/TD]
[TD="align: right"]63,771[/TD]
[/TR]
[TR]
[TD]Italy[/TD]
[TD="align: right"]51,061[/TD]
[TD="align: right"]23[/TD]
[TD="align: right"]11,744[/TD]
[TD="align: right"]62,805[/TD]
[/TR]
[TR]
[TD]France[/TD]
[TD="align: right"]56,199[/TD]
[TD="align: right"]11.6[/TD]
[TD="align: right"]6,519[/TD]
[TD="align: right"]62,718[/TD]
[/TR]
[TR]
[TD]United Kingdom[/TD]
[TD="align: right"]55,862[/TD]
[TD="align: right"]8.3[/TD]
[TD="align: right"]4,637[/TD]
[TD="align: right"]60,499[/TD]
[/TR]
[TR]
[TD]Slovenia[/TD]
[TD="align: right"]49,967[/TD]
[TD="align: right"]20.2[/TD]
[TD="align: right"]10,093[/TD]
[TD="align: right"]60,060[/TD]
[/TR]
[TR]
[TD]Spain[/TD]
[TD="align: right"]46,551[/TD]
[TD="align: right"]22[/TD]
[TD="align: right"]10,241[/TD]
[TD="align: right"]56,792[/TD]
[/TR]
[TR]
[TD]New Zealand[/TD]
[TD="align: right"]51,860[/TD]
[TD="align: right"]9[/TD]
[TD="align: right"]4,667[/TD]
[TD="align: right"]56,527[/TD]
[/TR]
[TR]
[TD]Lithuania[/TD]
[TD="align: right"]46,158[/TD]
[TD="align: right"]18.6[/TD]
[TD="align: right"]8,585[/TD]
[TD="align: right"]54,743[/TD]
[/TR]
[TR]
[TD]Estonia[/TD]
[TD="align: right"]46,125[/TD]
[TD="align: right"]18.5[/TD]
[TD="align: right"]8,533[/TD]
[TD="align: right"]54,658[/TD]
[/TR]
[TR]
[TD]Czech Republic[/TD]
[TD="align: right"]48,918[/TD]
[TD="align: right"]10.5[/TD]
[TD="align: right"]5,136[/TD]
[TD="align: right"]54,054[/TD]
[/TR]
[TR]
[TD]Japan[/TD]
[TD="align: right"]49,043[/TD]
[TD="align: right"]8.2[/TD]
[TD="align: right"]4,022[/TD]
[TD="align: right"]53,065[/TD]
[/TR]
[TR]
[TD]Hungary[/TD]
[TD="align: right"]42,132[/TD]
[TD="align: right"]20.5[/TD]
[TD="align: right"]8,637[/TD]
[TD="align: right"]50,769[/TD]
[/TR]
[TR]
[TD]Poland[/TD]
[TD="align: right"]42,465[/TD]
[TD="align: right"]16.7[/TD]
[TD="align: right"]7,092[/TD]
[TD="align: right"]49,557[/TD]
[/TR]
[TR]
[TD]Portugal[/TD]
[TD="align: right"]42,066[/TD]
[TD="align: right"]17.8[/TD]
[TD="align: right"]7,488[/TD]
[TD="align: right"]49,554[/TD]
[/TR]
[TR]
[TD]Turkey[/TD]
[TD="align: right"]38,759[/TD]
[TD="align: right"]27.4[/TD]
[TD="align: right"]10,620[/TD]
[TD="align: right"]49,379[/TD]
[/TR]
[TR]
[TD]Romania[/TD]
[TD="align: right"]38,096[/TD]
[TD="align: right"]22.9[/TD]
[TD="align: right"]8,724[/TD]
[TD="align: right"]46,820[/TD]
[/TR]
[TR]
[TD]Croatia[/TD]
[TD="align: right"]37,549[/TD]
[TD="align: right"]23[/TD]
[TD="align: right"]8,636[/TD]
[TD="align: right"]46,185[/TD]
[/TR]
[TR]
[TD]Greece[/TD]
[TD="align: right"]36,465[/TD]
[TD="align: right"]26.4[/TD]
[TD="align: right"]9,627[/TD]
[TD="align: right"]46,092[/TD]
[/TR]
[TR]
[TD]Latvia[/TD]
[TD="align: right"]38,123[/TD]
[TD="align: right"]16.6[/TD]
[TD="align: right"]6,328[/TD]
[TD="align: right"]44,451[/TD]
[/TR]
[TR]
[TD]Slovakia[/TD]
[TD="align: right"]38,620[/TD]
[TD="align: right"]11.2[/TD]
[TD="align: right"]4,325[/TD]
[TD="align: right"]42,945[/TD]
[/TR]
[TR]
[TD]Russia[/TD]
[TD="align: right"]31,967[/TD]
[TD="align: right"]33.7[/TD]
[TD="align: right"]10,773[/TD]
[TD="align: right"]42,740[/TD]
[/TR]
[TR]
[TD]Bulgaria[/TD]
[TD="align: right"]29,177[/TD]
[TD="align: right"]20.8[/TD]
[TD="align: right"]6,069[/TD]
[TD="align: right"]35,246[/TD]
[/TR]
[TR]
[TD]Georgia[/TD]
[TD="align: right"]19,788[/TD]
[TD="align: right"]53[/TD]
[TD="align: right"]10,488[/TD]
[TD="align: right"]30,276[/TD]
[/TR]
[TR]
[TD]Belarus[/TD]
[TD="align: right"]21,709[/TD]
[TD="align: right"]32.3[/TD]
[TD="align: right"]7,012[/TD]
[TD="align: right"]28,721[/TD]
[/TR]
[TR]
[TD]Bosnia[/TD]
[TD="align: right"]17,899[/TD]
[TD="align: right"]29.9[/TD]
[TD="align: right"]5,352[/TD]
[TD="align: right"]23,251[/TD]
[/TR]
[TR]
[TD]Moldova[/TD]
[TD="align: right"]16,482[/TD]
[TD="align: right"]39.7[/TD]
[TD="align: right"]6,543[/TD]
[TD="align: right"]23,025[/TD]
[/TR]
[TR]
[TD]Armenia[/TD]
[TD="align: right"]16,798[/TD]
[TD="align: right"]36[/TD]
[TD="align: right"]6,047[/TD]
[TD="align: right"]22,845[/TD]
[/TR]
[TR]
[TD]Albania[/TD]
[TD="align: right"]17,858[/TD]
[TD="align: right"]26.2[/TD]
[TD="align: right"]4,679[/TD]
[TD="align: right"]22,537[/TD]
[/TR]
[TR]
[TD]Ukraine[/TD]
[TD="align: right"]14,150[/TD]
[TD="align: right"]42.9[/TD]
[TD="align: right"]6,070[/TD]
[TD="align: right"]20,220[/TD]
[/TR]
[/TABLE]
Once the shadow economy is included, the countries that jumped the most places in the GDP per capita ranking are: Malta (17th => 10th), Cyprus (22nd => 16th), Italy (20th => 18th), Spain (25th => 22nd), and Greece (36th => 34th). In other words, Mediterranean Europe is richer than it appears on paper.
On the other hand some countries slipped down the ranking: Canada (15th => 17th), France (19th => 21st), United Kingdom (18th => 20th), Japan (23rd => 27th), Czechia (24th => 26th), and Slovakia (32nd => 36th).
There is less change in ranking at the bottom (Balkans and ex-USSR) as all these countries have substantial shadow economies.