Context
The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in Madagascar, for both new street additions (left) and the aggregate street network (right).
Madagascar in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Madagascar rose steadily. To get a sense of how street development has changed in Madagascar, we can consider three of its most populous regions: Antananarivo, Mahajanga and Toamasina. Out of the three regions, Antananarivo does not follow the same trend as the country. The level of street-network sprawl in new development in Antananarivo followed a zig-zag trend with an overall increase.
How do development practices in Madagascar fare in comparison to others in the world? Most recently in 2006-2020, street construction in Madagascar was the 140th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has fallen; relative to other countries in the world, street construction in Madagascar has become more connected. Madagascar ranked 92nd in 1975, 153rd in 1976-1990, 146th in 1991-2005 and 140th in 2006-2020.
The largest city in Madagascar is Antananarivo, with a population of 2661300 people. Taking into account the entire (i.e. aggregate) street network in Antananarivo as of 2020, the overall level of street-network sprawl is 4.58, which is sprawly. The level of street-network sprawl in new development in Antananarivo peaked in 1991-2005.
Madagascar in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Madagascar is Antetezambaro with an SNDi of 14.16, which is very sprawly. Conversely, the most connected city is Farafangana with an SNDi of 1.56, which is very well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Farafangana, Antetezambaro.
The level of street-network sprawl in the aggregate network in Madagascar rose steadily. To get a sense of how the aggregate street network has changed in Madagascar, we can consider three of its most populous regions: Antananarivo, Mahajanga and Toamasina. Disconnectivity in the most populous cities in Madagascar follow the same country trend.
To date, Madagascar is the 133rd-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has fallen; relative to other countries in the world, the street network in Madagascar has become more connected. Madagascar ranked 92nd in 1975, 134th in 1976-1990, 135th in 1991-2005 and 133rd in 2006-2020.
The largest city in Madagascar is Antananarivo, with a population of 2661300 people. Taking into account the entire (i.e. aggregate) street network in Antananarivo as of 2020, the overall level of street-network sprawl is 4.58, which is sprawly. The level of street-network sprawl in the aggregate network in Antananarivo rose steadily.