5: Denmark
Denmark ranks #5 for its consistently high-quality drinking water, which is easily accessible to all citizens. Water sources are primarily drawn from groundwater, which is naturally filtered and protected by strict environmental policies. Denmark has 100% access to safely managed drinking water services, ensuring that every resident can enjoy clean, safe tap water. The government regularly tests the water for contaminants and enforces regulations to ensure its purity. Tap water in Denmark is often regarded as better than bottled alternatives, both in taste and cleanliness. The country has made significant investments in water infrastructure, which allows it to maintain its reputation for having some of the cleanest water in the world.