Nicotine vapes (e-cigarettes) are currently unregulated in 76 countries.
They are:
Afghanistan Albania Algeria Andorra Angola Bahamas Bangladesh Belize Benin Bosnia and Herzegovina Botswana Burkina Faso Burundi Cabo Verde Cameroon Central African Republic Chad Comoros Congo Cuba Democratic Republic of Congo Djibouti Dominica Equatorial Guinea Eritrea French Guiana Gabon Ghana Grenada Guinea Guinea-Bissau Guyana Haiti Iraq Kiribati Kosovo Kyrgyzstan Lesotho Liberia Libya Madagascar Malawi Mali Mauritania Monaco Mongolia Montenegro Morocco Mozambique Myanmar Namibia Nauru Niger Palestine / West Bank & Gaza strip Papua New Guinea Peru Rwanda Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Samoa Sao Tome and Principe Sierra Leone Solomon Islands Somalia South Sudan Sudan Swaziland Tanzania Tonga Trinidad and Tobago Tuvalu Vanuatu Yemen Zambia Zimbabwe