As an AI language model, I cannot provide the most up-to-date data. However, according to the World Bank report from 2012, the average household income in Tanzania was approximately $876 per year. It is important to note that this figure may have changed since then due to various economic factors. For the most recent and accurate information, it is recommended to refer to the latest reports and surveys from reputable sources such as the World Bank, International Monetary Fund (IMF), or Tanzania's National Bureau of Statistics.
