Top: Total annual variable costs and net profits per hectare for major crops in former North Yemen, mid-1970s. Costs and profits are in Yemeni Riyals (YR). Data source: Kennedy, 1986.

Bottom: "Recent estimates" of estimated annual income per hectare (in Yemeni Riyals) for selected crops. Data source: UN, 1993. While some cash crops appear to have become more lucrative since the 1970s, qat has retained its economic dominance. (back)