According to a press release issued by the Palestinian Central Bureau of Statistics, UNRWA Records indicated that the number of registered Palestinian refugees on the first of January 2015 amounted up to about 5.6 million and these figures represented the minimum number of Palestinian refugees. Palestinian refugees in the West Bank who are registered with UNRWA accounted up to 16.9% of the total refugees registered with UNRWA against 24.1% in the Gaza Strip.

In Arab countries, the percentage of Palestinian refugees registered with UNRWA in Jordan amounted up to 39.6% of the total Palestinian refugees, while the percentage of Palestinian refugees registered with UNRWA in Lebanon and Syria reached 8.8% and 10.6% respectively.

The press release revealed that 41.6% of the total Palestinian population living in State of Palestine in 2015 are Palestinian refugees. Data also indicated that 26.3% of the population in the West Bank are refugees, while the percentage of refugees in Gaza Strip is 67.7%.

The results of the Labor Force Survey in 2015 showed that the labor force participation rate among refugees aged 15 years and over, who reside in State of Palestine was 46.1%, against 45.6% for non-refugees.

Data also indicated that there is a clear difference in the unemployment rate among refugees and non-refugees, as the unemployment rate among refugees reached up to 32.3% in comparison with 21.4% among non-refugees.

Moreover, in 2015, the professions of "technicians, specialists, assistants, and clerks" were considered as the most accommodating professions among refugees and non-refugees alike in the State of Palestine; 34.0% of refugees and 22.5% of non-refugees occupied such professions.  Also, legislators and senior management staff represented the least occupied professions for both of refugees and non-refugees, with a percentage of 2.8% for refugees and 3.5% for non-refugees.

Additionally, a study conducted in 2011 by FAFO on the socio-economic conditions in Palestinian refugee camps in Jordan shows that 39.9% of refugees in Palestinian refugee camps in Jordan are under 15 years old , while the percentage of elderly (65 years and over) was 4.3%, and the average household size was 5.1 persons.  The data also indicated that the illiteracy rate reached 8.6% among refugees aged 15 and over living in Palestinian refugee camps in Jordan.

Data available on Palestinians living in Lebanon in 2011 showed that 31.1% of the population was below the age of 15 and 6.1% was aged 65 years and over.  The sex ratio was 98.2 males per hundred females in 2011.  Data available for 2011 indicated that the average Palestinian household size was 4.4 persons, the total fertility rate was 2.8 births per woman, the infant mortality rate was 15.0 per thousand live births and the mortality rate for children below the age of five was 17.0 per thousand live births in the same year.