Mazraeh-ye Jahan () is a village in Shaban Rural District of Qosabeh District in Meshgin Shahr County, Ardabil province, Iran.
Demographics.
Population.
At the time of the 2006 National Census, the village's population was 275 in 50 households, when it was in the Central District. The following census in 2011 counted 218 people in 63 households. The 2016 census measured the population of the village as 229 people in 77 households, by which time the rural district had been separated from the district in the formation of Qosabeh District.