General Assembly

The General Assembly, as a rule, holds an ordinary meeting once every three years. The Twenty Seventh General Assembly will be held in Calgary, Canada, on 12th, 13th and 16th August 2026.

The Twenty Eighth General Assembly will be held in Berlin, Germany, 18th-25th August 2029.

Documentation

Reports of previous meetings

• 26, 2023: Melbourne, Australia. Acta Cryst. (2026). A82.
• 25, 2021: Prague, Czech Republic. Acta Cryst. (2023). A79, 95-131. 
• 24, 2017: Hyderabad, India. Acta Cryst. (2020). A76, 217-224. 
• 23, 2014: Montreal, Canada. Acta Cryst. (2016). A72, 85-167. 
• 22, 2011: Madrid, Spain. Acta Cryst. (2012). A68, 607-664.
• 21, 2008: Osaka, Japan. Acta Cryst. (2009). A65, 390-442.
• 20, 2005: Florence, Italy. Acta Cryst. (2006). A62, 465-526.
• 19, 2002: Geneva, Switzerland. Acta Cryst. (2003). A59, 374-433.
• 18, 1999: Glasgow, UK. Acta Cryst. (2001). A57, 741-795.
• 17, 1996: Seattle, USA. Acta Cryst. (1997). A53, 692-748.
• 16, 1993: Beijing, China. Acta Cryst. (1995). A51, 596-648.
• 15, 1990: Bordeaux, France. Acta Cryst. (1992). A48, 353-405.
• Extraordinary, 1989: London, UK. Acta Cryst. (1990). A46, 716.
• 14, 1987: Perth, Australia. Acta Cryst. (1988). A44, 567-621.
• 13, 1984: Hamburg, Germany. Acta Cryst. (1987). A43, 433-479.
• 12, 1981: Ottawa, Canada. Acta Cryst. (1983). A39, 425-480.
• 11, 1978: Warsaw, Poland. Acta Cryst. (1979). A35, 1021-1067.
• 10, 1975: Amsterdam, The Netherlands. Acta Cryst. (1976). A32, 691-745.
• 9, 1972: Kyoto, Japan. Acta Cryst. (1973). A29, 730-772.
• 8, 1969: Stony Brook, USA. Acta Cryst. (1971). A27, 497-505.
• 7, 1966: Moscow, USSR. Acta Cryst. (1967). 22, 606-614.
• 6, 1963: Rome, Italy. Acta Cryst. (1964). 17, 317-324.
• 5, 1960: Cambridge, UK. Acta Cryst. (1960). 13, 965-978.
• 4, 1957: Montreal, Canada. Acta Cryst. (1957). 10, 721-734.
• 3, 1954: Paris, France. Acta Cryst. (1954). 7, 609-615.
• 2, 1951: Stockholm, Sweden. Acta Cryst. (1951). 4, 567-574.
• 1, 1948: Cambridge, USA. Acta Cryst. (1948). 1, 340-343.