Per cent Figure 3 Annual household income (grouped) in JD by ex-Gaza status. Percentage of households (n=39,336). 50 Other Palestinian refugees Other ex-Gazans Ex-Gazans, Jerash 40 30 20 10 0 0-1,000 1,001- 2,001- 3,001- 4,001- > 5,000 JD This picture of greater disparity amongst the poorest households is confirmed by other simple measures of income spread: The median and 75th percentile for household income over the past 12 months is the same for ex-Gaza households inside and outside Jerash, respectively 2,400 JD and 3,600 JD (Table 6). However, there is a significant gap in the 25th percentile and mean values. The higher mean for ex-Gazans outside of Jerash suggests that there is a handful (<25%) of better off ex-Gazans outside of Jerash whose income is pulling the mean up. Both the mean and median annual income for other Palestinian refugees (3,324 JD and 3,000 JD, respectively) are higher than for both groups of ex-Gazans. This overall pattern is a close match to the findings for monthly wage earnings discussed in chapter 6. Table 6 Mean and median annual household income in JD by ex-Gaza status (n=39,245). 25th percentile Median 75th percentile Mean Ex-Gazans, Jerash 1,440 2,400 3,600 2,770 Other ex-Gazans 1,810 2,400 3,600 3,113 Other Palestinian refugees 1,995 3,000 3,960 3,324 All households 1,920 2,880 3,840 3,276 Total household income tells only part of the story, however, and the particularly poor situation of ex-Gaza households in Jerash is highlighted when we examine household income per capita. While total household income tends to make larger than average households appear better off than they are, it should be borne in mind that the marginal cost of an additional member to a large household is generally less than to a small household and so a per capita measure may make larger households seem somewhat worse off than they actually are. Our per capita figures are weighted, with less weight allocated to children. As expected, examining per capita income sees the gap widen between ex-Gazans in Jerash — with their significantly larger households — and other groups. Figure 4, distributing households across five income quintiles 51 (calculated for the whole camp refugee population), shows how citizen Palestinian refugees and ex-Gazans outside Jerash converge around the 20 percentage-point mark (the average distribution), while ex-Gaza households from Jerash camp diverge: double the proportion fall into the lowest quintile A quintile may not always contain exactly 20% of the cases. The reason is that if many cases are assigned the cut-off value, all these cases have to be grouped into one and the same quintile, which might make the relative distribution of cases on quintiles slightly uneven. 51 Fafo Report 2019:34 34