Also, when including migrants as rural people, the Gini coefficient increases from 0.426 to 0.444. Typically, rural households allocate their labour forces to farm work and off-farm work in order to maximise household incomes, so more productive household members tend to migrate and work in urban areas. For this reason, one may infer that per-capita household income measures should be more equal than individual income measures. As shown in Table 3.2, migrant workers are the most homogenous group in terms of labour income, with a Gini coefficient of 0.310.