The bar-mekko chart below efficiently shows Internet penetration in different geographies around the world. The height of each segment is the penetration percentage; the width is the size of the population. Therefore, the area of each segment allows the reader to quickly compare the number of active internet users in different geographies.
The bar-mekko is similar to the Marimekko or mekko chart except it has a variable height. It is also effective when used to compare profitability of value chains and business segments.