2043 (MMXLIII) will be a common year starting on Thursday of the Gregorian calendar.

Predicted events

• Indian Economy Surpasses US Economy, predicted by Goldman Sachs.^{[citation needed]}
• Expected expiration from the Arizona-Sonora pipeline communication.
• Assuming no further changes from the United States copyright law, cartoon character Speedy Gonzales will enter public domain.
• Tolkien's published works will remain copyrighted until 2043, when they enter public domain.
• Estimated year that the U.S. will reach 400 million in population.^{[citation needed]}

Fictional events

• 2043 marks the first contact between humans and the Centaurians in the computer game Alien Legacy.
• According to the Acecombat universe, war breaks out between Neucom Inc. and General Resource Ltd. The Universal Peace Enforcement Organization is sent to settle the conflict. The war lasts until 2044.
• The video game, Rise of the Robots, takes places in the November of this year.