The best bathroom tiles in the United States are those that offer a perfect blend of aesthetic appeal, durability, and ease of maintenance. Among the top choices are porcelain and ceramic tiles, which are renowned for their resilience and ability to withstand moisture and stains. According to a survey by the National Tile Association, porcelain tiles are the most popular choice for bathroom floors and walls due to their non-porous nature, which makes them highly resistant to water damage and mold growth.

Porcelain tiles are particularly favored for their strength and ability to withstand heavy foot traffic, making them ideal for high-use areas like bathrooms. They are also available in a wide variety of colors, patterns, and finishes, allowing homeowners to create a personalized and stylish bathroom environment. Ceramic tiles, while slightly less durable than porcelain, are still a great option for bathroom walls and floors, especially in areas with less traffic.

Another popular choice is natural stone tiles, such as marble, granite, and slate. These tiles offer a unique and luxurious look, but they require more maintenance and are more susceptible to stains and scratches. However, their natural beauty and timeless appeal make them a favorite among those seeking a high-end bathroom design.

Glass tiles are also a popular choice for their sleek and modern look. They are easy to clean and can be used for both walls and floors. However, glass tiles can be slippery when wet, so they may not be the best choice for high-traffic areas.

The choice of bathroom tiles should also consider the overall design of the bathroom. For a traditional bathroom, subway tiles or hexagonal tiles can add a classic touch. For a contemporary bathroom, larger format tiles or tiles with a metallic finish can create a modern and sophisticated look.

In conclusion, the best bathroom tiles in the United States are porcelain and ceramic tiles for their durability and versatility, natural stone tiles for their luxurious appeal, and glass tiles for their sleek and modern aesthetic. The ultimate choice depends on the individual's preferences, budget, and the specific requirements of the bathroom space.