Based on historical research and archival evidence, estimates of the number of deaths attributable to Joseph Stalin's regime vary, but most scholars place the figure between 6 million and 20 million people124.

Key points about Stalin's death toll:

1. Gulag system: Approximately 1.6-1.7 million people died in the Soviet labor camp system known as the Gulag between 1929-19531.

2. Famine deaths: The Soviet famine of 1932-1933, partly caused by Stalin's policies, resulted in 5.5-6.5 million deaths1.

3. Great Terror: During the Great Purge of 1937-1938, around 600,000-1.2 million people were executed12.

4. Deportations: Forced resettlements and deportations led to 390,000-600,000 deaths1.

5. Post-1991 estimates: After Soviet archives were opened, historians revised earlier higher estimates downward. Current scholarly consensus suggests Stalin was responsible for 6-9 million deliberate deaths12.

6. Total impact: When including foreseeable deaths from policies, some historians estimate up to 20 million total excess deaths under Stalin's rule, though this higher figure is debated14.

It's important to note that exact numbers remain uncertain due to incomplete records and ongoing historical debate. However, there is no doubt that Stalin's regime was responsible for the deaths of millions of Soviet citizens through various means, including executions, imprisonment, deportations, and man-made famines.