Plot Values from Associations 

Create charts from associations, automatically using the keys as the labels for each bar.

In[1]:=

X populations = AssociationMap[CountryData[#, "Population"] &, EntityList[EntityClass["Country", "UNSecurityCouncil"]]];

In[2]:=

X BarChart[Sort[populations, Greater], ChartLabels -> Automatic, BarOrigin -> Left, ImageSize -> Large, AxesLabel -> Automatic, ScalingFunctions -> "Log"]

Out[2]=

Use the keys as legends instead.

In[3]:=

X PieChart[Sort[populations, Greater], ChartLegends -> Automatic, ChartStyle -> "Rainbow"]

Out[3]=