How many gaming consoles are there?

As of my last update in September 2018, there have been many gaming consoles released over the years. However, here are some of the major consoles by their generation:

1. First Generation (1972-1976):

- Magnavox Odyssey (1972)

2. Second Generation (1976-1984):

- Atari 2600 (1977)

- Magnavox Odyssey² (1978)

3. Third Generation (1983-1994):

- Nintendo Entertainment System (NES) (1983)

- Sega Master System (1985)

- Atari 7800 (1986)

4. Fourth Generation (1987-1996):

- Sega Genesis / Mega Drive (1988)

- Nintendo Super Nintendo Entertainment System (SNES) (1990)

- TurboGrafx-16 / PC Engine (1987)

- NEC PC-98 (1982) (Japan only)

5. Fifth Generation (1994-2000):

- Sony PlayStation (1994)

- Nintendo 64 (1996)

- Sega Saturn (1994)

6. Sixth Generation (1998-2005):

- Dreamcast (1998)

- PlayStation 2 (2000)

- Nintendo GameCube (2001)

- Xbox (2001)

7. Seventh Generation (2005-2013):

- PlayStation 3 (2006)

- Nintendo Wii (2006)

- Xbox 360 (2005)

8. Eighth Generation (2012-2019):

- Nintendo Wii U (2012)

- PlayStation 4 (2013)

- Xbox One (2013)

9. Ninth Generation (2020-present):

- PlayStation 5 (2020)

- Xbox Series X/S (2020)

These are just some of the notable consoles throughout the history of gaming. Please note that this list is not exhaustive, and there have been many other consoles released over time.