The most developed town in Shanghai is Pudong. This area has experienced rapid urbanization and economic growth, transforming it into a modern metropolis. Pudong's development can be attributed to several factors, including government initiatives, foreign investment, and strategic location.

Data from the Shanghai Municipal Statistics Bureau indicates that Pudong's GDP has been consistently growing over the past decade. In 2020, Pudong's GDP reached 1.5 trillion yuan, accounting for approximately 40% of Shanghai's total GDP. This economic prowess is a testament to the town's development. Additionally, Pudong is home to the Shanghai Financial Center, the tallest building in China, which serves as a symbol of the town's progress and economic power.

The government's focus on Pudong as a special economic zone has also played a significant role in its development. Since its establishment in the 1990s, Pudong has been at the forefront of China's economic reform and opening-up policies. This has attracted numerous multinational corporations and foreign investors, further boosting the town's economic growth.

Moreover, Pudong's strategic location along the Yangtze River and near Shanghai's international airport has made it a hub for trade and transportation. The town boasts state-of-the-art infrastructure, including a comprehensive transportation network, which connects it to other parts of China and the world.

In conclusion, Pudong is the most developed town in Shanghai due to its robust economic growth, government support, and strategic location. The data and factors mentioned above highlight the town's progress and its status as a leading economic powerhouse in China.