In a column bar chart, the categories appear along the horizontal axis; the height of the bar corresponds to the value of each category. Grouped or stacked Bar graphs can also be used for more complex comparisons of data with grouped bar charts and stacked bar charts.
In other words, what are people from Botswana called? A person from Botswana and/or a citizen of Botswana is called Batswana.
Zulu people refer to themselves as 'the people of the heavens' and they are the largest ethnic group of South Africa, with an estimated 10 million Zulu residents in KwaZulu-Natal. isiZulu is the language of the Zulu people and about 10 million residents are fluent in the language.