| 1966 | | London | placement.SEMIFINALIST |
| 1967 | | London | page.geo_unit_pageant.unplaced |
| 1968 | | London | page.geo_unit_pageant.unplaced |
| 1969 | | London | page.geo_unit_pageant.unplaced |
| 1970 | | London | page.geo_unit_pageant.unplaced |
| 1971 | | London | page.geo_unit_pageant.unplaced |
| 1972 | | London | page.geo_unit_pageant.unplaced |
| 1973 | | London | placement.SEMIFINALIST |
| 1974 | | London | page.geo_unit_pageant.unplaced |
| 1975 | | London | page.geo_unit_pageant.unplaced |
| 1976 | | London | page.geo_unit_pageant.unplaced |
| 1977 | | London | page.geo_unit_pageant.unplaced |
| 1978 | | London | page.geo_unit_pageant.unplaced |
| 1979 | | London | page.geo_unit_pageant.unplaced |
| 1980 | | London | page.geo_unit_pageant.unplaced |
| 1981 | | London | page.geo_unit_pageant.unplaced |
| 1982 | | London | placement.WINNER |
| 1983 | | London | page.geo_unit_pageant.unplaced |
| 1984 | | London | page.geo_unit_pageant.unplaced |
| 1985 | | London | page.geo_unit_pageant.unplaced |
| 1986 | | London | page.geo_unit_pageant.unplaced |
| 1987 | | London | page.geo_unit_pageant.unplaced |
| 1988 | | London | page.geo_unit_pageant.unplaced |
| 1989 | | Hong Kong | page.geo_unit_pageant.unplaced |
| 1990 | | London | page.geo_unit_pageant.unplaced |
| 1991 | | Atlanta | page.geo_unit_pageant.unplaced |
| 1992 | | Sun City | page.geo_unit_pageant.unplaced |
| 1993 | | Sun City | page.geo_unit_pageant.unplaced |
| 1994 | | Sun City | page.geo_unit_pageant.unplaced |
| 1995 | | Sun City | page.geo_unit_pageant.unplaced |
| 1996 | | Bengaluru | placement.SEMIFINALIST |
| 1997 | | Baie Lazare | page.geo_unit_pageant.unplaced |
| 1998 | | Mahé | page.geo_unit_pageant.unplaced |
| 1999 | | London | page.geo_unit_pageant.unplaced |
| 2000 | | London | page.geo_unit_pageant.unplaced |
| 2001 | | Sun City | page.geo_unit_pageant.unplaced |
| 2003 | | Sanya | placement.QUARTERFINALIST |
| 2004 | | Sanya | placement.1RU |
| 2005 | | Sanya | page.geo_unit_pageant.unplaced |
| 2006 | | Warsaw | page.geo_unit_pageant.unplaced |
| 2007 | | Sanya | placement.SEMIFINALIST |
| 2008 | | Johannesburg | page.geo_unit_pageant.unplaced |
| 2009 | | Johannesburg | page.geo_unit_pageant.unplaced |
| 2011 | | London | page.geo_unit_pageant.unplaced |
| 2012 | | Ordos City | placement.QUARTERFINALIST |
| 2013 | | South Kuta | placement.QUARTERFINALIST |
| 2014 | | London | placement.QUARTERFINALIST |
| 2015 | | Sanya | page.geo_unit_pageant.unplaced |
| 2016 | | Oxon Hill, Maryland | placement.1RU |
| 2017 | | Sanya | placement.QUARTERFINALIST |
| 2018 | | Sanya | page.geo_unit_pageant.unplaced |
| 2019 | | London | page.geo_unit_pageant.unplaced |
| 2021 | | San Juan | placement.QUARTERFINALIST |
| 2023 | | Mumbai | placement.SEMIFINALIST |
| 2025 | | Hyderabad | placement.QUARTERFINALIST |
