Final answer:
The statement is true; the UK is an advanced economy but has experienced lower economic growth compared to the US over the past century.
Step-by-step explanation:
The statement that the United Kingdom is an advanced economy, and over the past century its rate of economic growth has been lower than that of the United States is True. Historically, the United States has experienced robust economic growth, part of which can be attributed to its large size and abundance of natural resources, which have helped foster a strong domestic market. Nevertheless, both the UK and the US are considered advanced economies with mature financial markets and high levels of income per capita.