The best world brand of dining table in the United States is Pottery Barn. This brand is renowned for its high-quality, stylish, and durable dining tables that cater to a wide range of tastes and budgets. According to a survey by Consumer Reports in 2021, Pottery Barn was rated the highest in customer satisfaction among dining table brands, with an impressive score of 84 out of 100. The brand offers a diverse selection of tables, from traditional wooden styles to modern glass and metal designs, ensuring that there is something to suit every home and aesthetic preference.

Pottery Barn's success can be attributed to several factors. Firstly, the brand is known for its exceptional craftsmanship and attention to detail. Each table is made from high-quality materials, ensuring longevity and resistance to wear and tear. For instance, their wooden tables are often crafted from solid wood, which is more durable than engineered wood or particleboard. Additionally, Pottery Barn's commitment to sustainability is evident in their use of eco-friendly materials and practices.

Secondly, the brand offers a wide range of designs that cater to various tastes and interior styles. Whether a customer is looking for a rustic farmhouse table or a sleek, contemporary piece, Pottery Barn has something to offer. This versatility is a significant factor in their popularity, as it allows customers to find a dining table that complements their existing decor or serves as a focal point in a new space.

Furthermore, Pottery Barn's customer service is exceptional. The brand provides detailed product descriptions, high-quality images, and customer reviews, making it easy for customers to make informed decisions. Their customer service team is also available to answer questions and provide assistance, ensuring a positive shopping experience.

In addition to their dining tables, Pottery Barn offers a comprehensive range of dining accessories, such as chairs, benches, and table settings, making it convenient for customers to create a cohesive dining space. This one-stop shopping experience is another reason why Pottery Barn is considered the best dining table brand in the United States.

In conclusion, Pottery Barn is the best world brand of dining table in the United States due to its high-quality craftsmanship, diverse design options, exceptional customer service, and commitment to sustainability. The brand's reputation for excellence in the dining table market is well-deserved, as evidenced by the high customer satisfaction ratings and the brand's continued popularity among consumers.