Context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Nuku'alofa (most disconnected)Nuku'alofa (most connected)

The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in Tonga, for both new street additions (left) and the aggregate street network (right).

Tonga in context: Street-network sprawl of new development

The level of street-network sprawl in new development in Tonga followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Tonga, we can consider one of its most populous regions: Tongatapu. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Tongatapu rose steadily.

The largest city in Tonga is Nuku'alofa, with a population of 48100 people. Taking into account the entire (i.e. aggregate) street network in Nuku'alofa as of 2020, the overall level of street-network sprawl is 4.07, which is sprawly. The level of street-network sprawl in new development in Nuku'alofa followed a zig-zag trend with an overall increase.

Tonga in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in Tonga is Nuku'alofa with an SNDi of 4.07, which is sprawly. Conversely, the most connected city is Nuku'alofa with an SNDi of 4.07, which is sprawly. See these two cities’ trends in the above graph, or dive deeper into each: Nuku'alofa, Nuku'alofa.

The level of street-network sprawl in the aggregate network in Tonga rose steadily. To get a sense of how the aggregate street network has changed in Tonga, we can consider one of its most populous regions: Tongatapu. Disconnectivity in the most populous cities in Tonga follow the same country trend.

The largest city in Tonga is Nuku'alofa, with a population of 48100 people. Taking into account the entire (i.e. aggregate) street network in Nuku'alofa as of 2020, the overall level of street-network sprawl is 4.07, which is sprawly. The level of street-network sprawl in the aggregate network in Nuku'alofa followed a zig-zag trend with an overall increase.