Spatial Activity Opportunity Fairness among Elderly Residents in Nagoya: A Comparative Analysis across Three Wards with Different Rent Levels
Jianhao Shi, Tomio Miwa

TL;DR
This study compares elderly residents' spatial activity opportunities across three Nagoya wards with different rent levels, revealing multi-dimensional inequalities influenced by residential context and urban opportunity distribution.
Contribution
It introduces an event-based analytical framework to assess spatial activity opportunity fairness among elderly residents in varied urban contexts.
Findings
Naka residents concentrate in the urban core with higher opportunity exposure.
Moriyama residents have more dispersed activity patterns and lower opportunity exposure.
Opportunity distribution is uneven and category-specific, affecting different resident groups differently.
Abstract
Population aging has made the daily mobility of older adults an increasingly important issue for urban planning and transport research. While previous studies have examined elderly mobility in relation to accessibility, active aging, and transport inclusion, less attention has been paid to whether older adults living in different residential contexts experience equal spatial activity opportunities. This study addresses that gap by comparing elderly residents in three wards of Nagoya, namely Naka, Showa, and Moriyama, which represent different rent levels and urban opportunity contexts. Using stay events derived from GPS-based mobility data, we construct a 500 m x 500 m grid-based analytical framework and examine spatial activity opportunity fairness through four dimensions: activity space, opportunity context, opportunity exposure, and semantic structure. The results show clear…
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