Tap water and official advice, country by country
Safe from the tap: Australia, Austria, Belgium, Bulgaria, Canada, Chile, Costa Rica, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Hungary, Iceland, Ireland, Israel, Italy, Japan, Latvia, Lithuania, Luxembourg, Netherlands, New Zealand, Norway, Poland, Portugal, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, United Kingdom, United States, Uruguay
Bottled or filtered: Afghanistan, Albania, Algeria, Bangladesh, Bolivia, Brazil, Cambodia, China, Cuba, Dominican Republic, Ecuador, Egypt, El Salvador, Ethiopia, Ghana, Guatemala, Honduras, India, Indonesia, Iraq, Jordan, Kazakhstan, Kenya, Laos, Lebanon, Malaysia, Mexico, Moldova, Mongolia, Morocco, Myanmar, Nepal, Nicaragua, Nigeria, Pakistan, Peru, Philippines, Russia, Saudi Arabia, Sri Lanka, Syria, Taiwan, Tanzania, Thailand, Tunisia, Türkiye, Uganda, Ukraine, United Arab Emirates, Uzbekistan, Venezuela, Vietnam
Varies — ask locally: Argentina, Armenia, Bahrain, Belarus, Bosnia and Herzegovina, Colombia, Georgia, Greece, Hong Kong, Iran, Jamaica, Kuwait, Malta, Montenegro, North Macedonia, Oman, Panama, Qatar, Romania, Serbia, South Africa
UK government (FCDO) France — Conseils aux voyageurs US State Department Government of Canada Australia — Smartraveller