Context
The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in Yemen, for both new street additions (left) and the aggregate street network (right).
Yemen in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Yemen followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Yemen, we can consider three of its most populous regions: Amanat Al Asimah, Ta`izz and Ibb. Out of the three regions, Amanat Al Asimah does not follow the same trend as the country. The level of street-network sprawl in new development in Amanat Al Asimah rose steadily.
How do development practices in Yemen fare in comparison to others in the world? Most recently in 2006-2020, street construction in Yemen was the 111th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has not changed. Yemen ranked 111th in 1975, 110th in 1976-1990, 62nd in 1991-2005 and 111th in 2006-2020.
The largest city in Yemen is Sana'a, with a population of 2669300 people. Taking into account the entire (i.e. aggregate) street network in Sana'a as of 2020, the overall level of street-network sprawl is 2.33, which is well-connected. The level of street-network sprawl in new development in Sana'a followed a zig-zag trend with an overall increase.
Yemen in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Yemen is Al Masaliyah with an SNDi of 20.72, which is very sprawly. Conversely, the most connected city is Bayt al Faqih with an SNDi of 1.85, which is very well-connected. See these two cities’ trends in the above graph, or dive deeper into each: Bayt al Faqih, Al Masaliyah.
The level of street-network sprawl in the aggregate network in Yemen followed a zig-zag trend with an overall increase. To get a sense of how the aggregate street network has changed in Yemen, we can consider three of its most populous regions: Amanat Al Asimah, Ta`izz and Ibb. Out of the three regions, Amanat Al Asimah does not follow the same trend as the country. The level of street-network sprawl in the aggregate network in Amanat Al Asimah rose steadily.
To date, Yemen is the 106th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has risen; relative to other countries in the world, the street network in Yemen has become more disconnected. Yemen ranked 111th in 1975, 119th in 1976-1990, 107th in 1991-2005 and 106th in 2006-2020.
The largest city in Yemen is Sana'a, with a population of 2669300 people. Taking into account the entire (i.e. aggregate) street network in Sana'a as of 2020, the overall level of street-network sprawl is 2.33, which is well-connected. The level of street-network sprawl in the aggregate network in Sana'a rose steadily.