Guess the Map III: The Map Lover's Paradise

[classical_hero]

Cities with subways / # of urban rail networks?

contre is correct.

If contre is corect, then the map is incorrect, since for starters Australia does not have a subway system and here is the list from Wiki, showing the map is incorrect.
[wiki]List of metro systems[/wiki]

 

[W|M]

That mistake comes from the fact I was originally going to do a map that was just countries with any amount of metro systems, and the source I got the info from considers Australia to have a metro system.

 

[aukrest]

I could have sworn we also have done the metro system map before.

 

[Ronojoy1917]

Cases of racist violence?

 

[emzie]

Nothing yet.

The map is directly tied to wages.

 

[choxorn]

Median Income?

 

[Mango Elephant]

Wages when compared to local prices?

 

[emzie]

Wages when compared to local prices?

Getting warmer.

 

[dwaxe]

Cost of living?

 

[emzie]

Cost of living?

Subset of this.

 

[say1988]

Population under the poverty line or some relation of average earnings/per capita gdp and cost of living? Different ways at the same idea, so I will include both.

 

[Fuzzz]

The ppp per state?

 

[emzie]

Map represents percentage of income spent on X.

 

[shadowplay]

Rent?

 

[Heretic_Cata]

Ciggs?

 

[Joecoolyo]

Nah, New York's would be too damn high then.

EDIT: x-post, @shadowplay


Imma wager income spent on food.

 

[shadowplay]

Electricity?

 

[Optical]

Entertainment?

 

[really]

Beer?

 

[Baleog]

Petrol (Gas)?