The US had how many states before the secession when 11 Southern states withdrew to form the Confederacy?

Before the secession, the United States had 34 states. The 11 Southern states that withdrew to form the Confederacy were Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Texas, and Virginia. This secession occurred in the lead-up to the Civil War, which began in 1861.