What type of society existed for the longest time in human history?

The hunter-gatherer society is believed to have been the longest-lasting type of society in human history. This type of society is characterized by small, nomadic groups of people who rely on hunting and gathering for their subsistence. Hunter-gatherer societies have been documented in various parts of the world, including Africa, Asia, and the Americas, and are believed to have been in existence for at least 200,000 years.