Members of the PAG Population Technical Committee coordinate and report on socio-economic and land use factors and prepare regional population estimates and projections for jurisdictions in Pima County. Voting members include representatives from PAG jurisdictions including Marana, Oro Valley, Pima County, Sahuarita, Tucson, South Tucson, the Tohono O'odham nation, and the Pascua Yaqui tribe. The Population Technical Advisory Committee meets bimonthly on the second Friday of the month.