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As of June 2018, the median age of buildings in Taiwan is 30.19 years, with an approximate total of 8.63 million units. Among them, around 4.1 million units are over 30 years old; the number is estimated to reach 6.4 million in ten years and up to 8.63 million in 30 years. There are suspicions that the ability of these old buildings, which were constructed before the 921earthquake in 1999, might not be adequate to withstand another gigantic earthquake. At the end of 2017, Taiwan has reached 13.86 percent of its population over the age of 65, meaning one in seven people is considered a senior citizen and officially rendering Taiwan an “aged society”. In the next ten years, as many as 6.4 million aged buildings could go for reconstruction, which translates to 640,000 units a year. From 2010 to 2017, the yearly average number of approved buildings for construction is 83,661, a number that is dwarfed by the market demand. This study analyzes the main reasons for the slow speed of renewal and reconstruction of dangerous and aged buildings and search for the solution by using strategic analysis tools.
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