This is how the market looks in
Percentage adult smokers
According to 2012 Bureau of Health Promotion statistics, 18% of Taiwanese adults smoke.
LHP status (legality, availability etc)
Taiwan prohibits the import, sale and manufacture of e-cigarettes: the Taiwan FDA refers to e-cigarettes as an unregistered, prohibited drug. However, it is legal to own or use one, they are not hard to find and the segment is reportedly growing. For more information on e-cigarette laws and regulations in Taiwan and elsewhere, this site provides some insight, although factasia.org cannot vouch for accuracy or currency.
Excise and other taxes represent approximately 45% of the retail price of cigarettes in Taiwan. To compare tax rates on a country by country basis, this WHO site, although somewhat out of date, provides some insight.
Price of a pack
A pack of 20 cigarettes costs around NT$100.
Taiwan’s illicit trade in cigarettes rose to 8.7% of total sales in 2013, according to Oxford Economics.
Packaging and labelling requirements
Graphic and text health warnings on the front and back cover a total of 35% of tobacco packaging (ref).
Government Free Smoking Quitline 0800-636363