As of 2025, the world's core Jewish population—those who primarily identify as Jewish—is estimated at approximately 15.8 million people, which is about 0.2% of the global population of 8 billion

. The largest Jewish populations are found in:

• Israel, with about 7.2 to 7.7 million Jews, representing roughly 45-50% of the global Jewish population

• The United States, with around 6.2 to 6.3 million Jews

Other countries with significant Jewish communities include France (around 440,000 to 500,000), Canada (about 398,000 to 400,000), and the United Kingdom (approximately 312,000)

. Beyond the core population, if individuals with partial Jewish heritage or descent eligible under Israel's Law of Return are included, the total "enlarged" Jewish population worldwide could be as high as approximately 21.7 million

. In summary:

• Core Jewish population: ~15.8 million (2025)
• Largest populations: Israel (~7.2-7.7 million), USA (~6.2-6.3 million)
• Enlarged population including partial heritage: ~21.7 million

These figures reflect current demographic research and official statistics from Jewish agencies and demographic experts.