So, other than the 20% of income which falls to very high income households, the rest of the country looks very much like a uniform spread of incomes with a safety net at about the break between the lowest and next lowest quintiles.
Yes, the 'two-class' society we all can easily observe around us. Yeah, that's what it looks like.
I remember seeing figures for different Western countries and noticing that distribution was most uneven in the US...and also more uneven in the UK, Australia etc than in continental Europe.
But I recognize some of that may have been due to apples compared with oranges.