Fuel types used in different countries around the world

Visual Design
#1

Image:

image
image1344×712 47.4 KB

Visual Design Type:
Stacked Bar Chart

Name of Tool:
Tableau

Country:
All countries

Year:
All years

Visual mappings:
Row: The Country Name of A Power Plant
Column: Count of Fuel Types A Power Plant supplies

Unique Observation:
USA has the most fuel types in total than other countries.

Sources:
Data: http://datasets.wri.org/dataset/globalpowerplantdatabase

Data pre-process:
Setting 15 new fields to identify whether a country uses that particular to generate electricity

References:
Indratmo, L. et al., 2018. The efficacy of stacked bar charts in supporting single-attribute and overall-attribute comparisons. Visual Informatics, 2(3), pp.155–165.

Question:
How can my visual design be improved?

#2

Your visualization is good!
I think the x axis is a little bit vague. Also maybe using a function such as log to make the smaller countries a little more visible?