Larangan merokok sudah diberlakukan di banyak tempat di berbagai penjuru dunia, termasuk Hong Kong, yang dikembalikan Inggris kepada kekuasaan China pada 1997, sejumlah negara Amerika dan wilayah-wilayah Eropa.
Partial smoking bans are already in effect in many places around the world, including Hong Kong, which returned from British to Chinese rule in 1997, several American states and parts of Europe.