Iseyin: city in Oyo, Nigeria
What exactly constitutes the spatial extent of the city? For these aggregations, we used the Global Human Settlement Layer Urban Center Database (GHS-UCDB) to define the boundaries of the city. These cities -- or urban centers -- cover areas that are densely populated and built-up, and so may extend beyond the spatial borders of these cities that we may be familiar with. The GHS area is shaded in blue.
View Iseyin, Nigeria on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Iseyin as of 2014, the overall level of street-network sprawl is 3.97, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.67, 3.12, 2.14 and 4.51. Disconnectivity in street construction in Iseyin follows a zig-zag trend. In 1991-2000, street construction was most disconnected, while construction was most connected in 2001-2014.
Quantity of street network construction: The street network in Iseyin spans a total of 317 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 4.51, which is highly disconnected.
Effect on the aggregate network: New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are 2.67, 2.93, 2.78 and 3.97. Disconnectivity in Iseyin's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 2001-2014.
Iseyin and Oyo follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these followed a zig-zag trend with an overall increase.
How do development practices in Iseyin fare in comparison to others in Oyo? Most recently in 2001-2014, street construction in Iseyin was the 1st-most disconnected out of the 15 cities in Oyo. Its position in the ranks since 1975 has risen; relative to other cities in Oyo, street construction in Iseyin has become more disconnected. Iseyin ranked 3rd in 1975, 3rd in 1976-1990, 6th in 1991-2000 and 1st in 2001-2014.
Iseyin and Nigeria do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Iseyin followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Nigeria peaked in 1991-2000.
How do development practices in Iseyin fare in comparison to others in Nigeria? Most recently in 2001-2014, street construction in Iseyin was the 98th-most disconnected out of the 411 cities in Nigeria. Its position in the ranks since 1975 has fallen; relative to other cities in Nigeria, street construction in Iseyin has become more connected. Iseyin ranked 62nd in 1975, 98th in 1976-1990, 151st in 1991-2000 and 98th in 2001-2014.
Iseyin and Oyo follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these followed a zig-zag trend with an overall increase.
To date, Iseyin is the 1st-most disconnected out of the 15 cities in Oyo. Its position in the ranks since 1975 has risen; relative to other cities in Oyo, the street network in Iseyin has become more disconnected. Iseyin ranked 3rd in 1975, 3rd in 1976-1990, 3rd in 1991-2000 and 1st in 2001-2014.
Iseyin and Nigeria do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Iseyin followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Nigeria rose steadily.
To date, Iseyin is the 64th-most disconnected out of the 411 cities in Nigeria. Its position in the ranks since 1975 has fallen; relative to other cities in Nigeria, the street network in Iseyin has become more connected. Iseyin ranked 62nd in 1975, 85th in 1976-1990, 110th in 1991-2000 and 64th in 2001-2014.
As of 2015, Iseyin had a built-up area of 12.22 square kilometers, and a population of 283189 people.
These are some other cities with approximately the same population: