The International Science and Engineering Fair began as the National Science Fair in 1950 and has been an international fair since 1958 when Japan, Canada, and Germany joined the competition. Now ISEF boasts over 80 participating countries, regions and territories.
Year |
Location |
Affiliated Fairs |
Finalists |
|---|---|---|---|
| 2022 | Atlanta
Virtual |
389 |
1834 |
| 2020 | Virtual | 423 | 1351 |
| 2019 | Phoenix, AZ | 423 | 1837 |
| 2018 | Pittsburgh, PA | 420 | 1769 |
| 2017 | Los Angeles, CA | 421 | 1774 |
| 2016 | Phoenix, AZ | 419 | 1759 |
| 2015 | Pittsburgh, PA | 422 | 1702 |
| 2014 | Los Angeles, CA | 426 | 1748 |
| 2013 | Phoenix, AZ | 436 | 1581 |
| 2012 | Pittsburgh, PA | 446 | 1530 |
| 2011 | Los Angeles, CA | 443 | 1511 |
| 2010 | San Jose, CA | 559 | 1594 |
| 2009 | Reno, NV | 550 | 1502 |
| 2008 | Atlanta, GA | 553 | 1529 |
| 2007 | Albuquerque, NM | 556 | 1492 |
| 2006 | Indianapolis, IN | 558 | 1470 |
| 2005 | Phoenix, AZ | 556 | 1419 |
| 2004 | Portland, OR | 543 | 1409 |
| 2003 | Cleveland, OH | 518 | 1279 |
| 2002 | Louisville, KY | 493 | 1259 |
| 2001 | San Jose, CA | 490 | 1230 |
| 2000 | Detroit, MI | 502 | 1224 |
| 1999 | Philadelphia, PA | 477 | 1159 |
| 1998 | Fort Worth, TX | 454 | 1125 |
| 1997 | Louisville, KY | 440 | 1089 |
| 1996 | Tucson, AZ | 482 | 1067 |
| 1995 | Hamilton, Canada | 481 | 1028 |
| 1994 | Birmingham, AL | 431 | 929 |
| 1993 | Mississippi Beach, MS | 416 | 831 |
| 1992 | Nashville, TN | 394 | 753 |
| 1991 | Orlando, FL | 395 | 748 |
| 1990 | Tulsa, OK | 398 | 754 |
| 1989 | Pittsburgh, PA | 395 | 746 |
| 1988 | Knoxville, TN | 381 | 721 |
| 1987 | San Juan, Puerto Rico | 360 | 680 |
| 1986 | Fort Worth, TX | 352 | 656 |
| 1985 | Shreveport/Bossier, LA | 334 | 613 |
| 1984 | Columbus, OH | 314 | 581 |
| 1983 | Albuquerque, NM | 305 | 560 |
| 1982 | Houston, TX | 288 | 525 |
| 1981 | Milwaukee, WI | 264 | 481 |
| 1980 | St. Paul, MN | 255 | 458 |
| 1979 | San Antonio, TX | 252 | 458 |
| 1978 | Orange County, CA | 248 | 451 |
| 1977 | Cleveland, OH | 230 | 416 |
| 1976 | Denver, CO | 227 | 407 |
| 1975 | Oklahoma City, OK | 220 | 396 |
| 1974 | Notre Dame, IN | 214 | 379 |
| 1973 | San Diego, CA | 217 | 374 |
| 1972 | New Orleans, LA | 208 | 378 |
| 1971 | Kansas City, MO | 215 | 399 |
| 1970 | Baltimore, MD | 219 | 404 |
| 1969 | Fort Worth, TX | 214 | 391 |
| 1968 | Detroit, MI | 226 | 415 |
| 1967 | San Francisco, CA | 228 | 425 |
| 1966 | Dallas, TX | 225 | 419 |
| 1965 | St. Louis, MO | 221 | 418 |
| 1964 | Baltimore, MD | 222 | 419 |
| 1963 | Albuquerque, NM | 219 | 411 |
| 1962 | Seattle, WA | 208 | 387 |
| 1961 | Kansas City, MO | 200 | 385 |
| 1960 | Indianapolis, IN | 193 | 356 |
| 1959 | Hartford, CT | 168 | 320 |
| 1958 | Flint, MI | 146 | 281 |
| 1957 | Los Angeles, CA | 122 | 233 |
| 1956 | Oklahoma City, OK | 110 | 213 |
| 1955 | Cleveland, OH | 71 | 136 |
| 1954 | Lafayette, IN | 50 | 95 |
| 1953 | Oak Ridge, TN | 30 | 71 |
| 1952 | Washington, DC | 19 | 42 |
| 1951 | St. Louis, MO | 15 | 30 |
| 1950 | Philadelphia, PA | 13 | 30 |