Fascinating study on healthcare systems published at [1] (see below).

The Data On Equality is quite interesting:

% Had serious problems paying or was unable to pay medical bills
                 AUS CAN FRA GER NETH  NZ NOR SWE SWIZ UK  US
Below Avg Income 8%  12% 41% 11% 15%  12% 12% 11% 19%  3% 29%
Above Avg Income 2%  2%   7%  1%  4%   1%  4%  1%  5%  0% 11%

% Rated medical care from regular provider as fair or poor
                AUS CAN FRA GER NETH NZ NOR SWE SWIZ UK  US
Below Avg Income 5% 10% 19%  6%   9% 2% 11% 19%   4% 5% 12%
Above Avg Income 2%  7%  5%  0%   5% 4%  7% 14%   2% 8%  5%

% Regular doctor always or often knew important information about their medical history
                 AUS CAN FRA GER NETH  NZ NOR SWE SWIZ  UK  US
Below Avg Income 77% 79% 62% 82%  91% 80% 68% 58%  78% 81% 77%
Above Avg Income 82% 86% 89% 96%  91% 88% 78% 55%  73% 86% 86%

% Somewhat or very difficult to obtain after-hours care
                 AUS CAN FRA GER NETH   NZ NOR SWE SWIZ  UK  US
Below Avg Income 51% 68% 75% 65%  29%  56% 45% 66%  61%  51% 57%
Above Avg Income 37% 60% 69% 61%  25%  39% 36% 62%  59%  52% 47%

[1] http://www.commonwealthfund.org/interactives/2017/july/mirror-mirror/assets/Schneider_mirror_mirror_2017.pdf