Key Facts

• The Supreme Court ruled that birthright citizenship applies to all children born in the US, no matter their parents' immigration status.
• President Trump issued an executive order to end automatic citizenship for children of parents who are in the US unlawfully or temporarily.
• The court decision is based on the 14th Amendment of the US Constitution.
• President Trump has claimed the US is the only country with birthright citizenship, but at least 32 countries, mostly in the Americas, also grant it automatically.
• Some countries have limited forms of birthright citizenship that depend on parents’ citizenship or ancestry.
• President Trump has said birthright citizenship encourages "birth tourism," where people travel to the US to have babies who get citizenship.
• Reliable data on birth tourism is limited; estimates show it accounts for less than 1% of births in the US.
• Despite the ruling, the Trump administration plans to strengthen efforts against businesses and individuals involved in birth tourism.