If you think there is no point in developed nations stopping the use of disposable plastic bags because the worlds developing nations will never follow, check out the following list:

Key: OB= Outright ban.

Germany South Africa, (OB) Italy, (OB 2010) Australia, (OB in supermarkets 2008) India, (OB in area's including Mumbai) Somalia, (OB) Botswana, (OB) Philippines, (OB, coming soon) Uganda, (OB) Kenya, (OB) Japan Turkey Zanzibar, (OB) Eritrea, (OB) Ethiopia, (OB) Papua New Guinea, (OB) Samoa, (OB) Belgium, (Levy) South Korea Singapore Sweden Bhutan, (OB) Malta China