From a global perspective, the intent and technology to regulate noise evolved in the German and English-speaking countries and is diffusing to other nations. Maslow’s hierarchy of needs provides a template for tracking the evolution of noise regulations through the stages of (1) protection of sleep, (2) protection from hearing loss, (3) protection of community tranquility, (4) protection of the most vulnerable members of the community and (5) preservation of natural soundscapes. Because of bureaucratic inertia, national noise laws incorporate the technology available when the law was enacted. Recent technological trends which may bear on future regulations are discussed.