Accusations that Israel has pursued a longstanding policy of ethnic cleansing or genocide against Palestinians and Israeli Arabs have been a recurring theme in Palestinian Authority rhetoric and have gained traction among international critics. Most recently, at the United Nations General Assembly, UN Secretary-General António Guterres warned that Israeli actions risked “ethnic cleansing,” while some activist groups have described portrayals in film as reflecting what they term a “genocide” in Gaza.

However, demographic data presented by the Palestinian Central Bureau of Statistics challenges these allegations by illustrating significant population growth among Palestinians and Israeli Arabs under Israeli administration. According to the bureau’s figures, the combined Palestinian and Israeli Arab population within the territory defined as historic Palestine has increased dramatically since 1948, calling into question claims of deliberate population reduction through ethnic cleansing.

The data shows that during the Jordanian administration of the West Bank from 1948 to 1967, the Arab population declined slightly by about 4.2 percent, from 1.42 million to 1.36 million. That period marks the only decline since 1914. Following the 1967 Six-Day War, when Israel assumed control over East Jerusalem, the West Bank, and Gaza, the Arab population under Israeli administration increased sharply, rising 445 percent over the subsequent six decades to approximately 7.41 million people today.

This growth rate surpasses population increases in several comparable countries. By contrast, Germany’s population grew by roughly 7.7 percent, and the United Kingdom’s by 25 percent over a similar timeframe. Even neighboring Arab nations with high growth rates experienced slower increases: Lebanon’s population expanded by 164 percent, and Syria’s by 281 percent. The Palestinian Central Bureau of Statistics points to this rapid growth as evidence refuting the notion of an effective Israeli policy aimed at ethnic cleansing.

Several factors contributed to the population increase in Palestinian territories under Israeli control. The improvement of healthcare services and medical training led to a notable reduction in infant mortality—from 152 deaths per 1,000 births before Israeli rule to 29 per 1,000 by 1996—and a rise in life expectancy from 48 to 72 years, according to United Nations data. Agricultural advancements introduced by Israel, including drip irrigation and other technologies, significantly boosted crop yields, fostering economic development in the West Bank as early as the 1970s.

A similar demographic trend is observed within Israel proper. The Israeli Arab population has expanded from approximately 150,000 in 1948 to over 2.15 million today, reflecting a growth rate of more than 1,300 percent. Israel’s Christian population has increased from about 35,000 to nearly 190,000 in the same period, marking a 443 percent rise according to official statistics.

Critics argue that should Israel’s leaders wish to pursue ethnic cleansing, current demographic trends suggest their policies have been ineffective. The director of Palestinian Media Watch, who compiled some of these analyses, contends that Israel’s experience contrasts sharply with that of the Palestinian Authority, which he claims has undertaken successful efforts to reduce Christian populations in areas under its control.

For example, in the Gaza Strip, the Christian population reportedly fell from around 3,000 in 1990 to approximately 1,000 by 2005. Similarly, Christians in Bethlehem, where they once comprised about half the population under Israeli administration, now represent less than 10 percent since the city came under Palestinian Authority control in 1994. These figures are cited as evidence by some observers that the PA’s policies have been more effective in altering demographic compositions than Israel’s.

While the demographic data underscores significant population increases among Palestinians and Israeli Arabs in Israel and the occupied territories, interpretations of these trends remain contested amid the ongoing Israeli-Palestinian conflict and the broader debate over policies and intentions related to population and territorial control.