ASUU was registered as the academic staff union of federal universities in 1978, replacing the older Nigerian Association of University Teachers (NAUT). Its first national strike came in 1988 over salary structure under the IBB Federal Government White Paper on the Akin Mabogunje Visitation Panel. From that point to the 2022 strike, ASUU has called 17 documented national strikes, with cumulative strike time since 1999 exceeding 1,800 days — over five years of lost academic time.
The national strikes, by year and approximate duration:
- 1988 — 1 month, on Akin Mabogunje Visitation Panel salary recommendations
- 1992 — 5 months, on funding and academic freedom
- 1994 — 1 month, on Abacha-era university autonomy
- 1996 — 4 months, on university funding
- 1999 — 5 months, transition to Obasanjo administration
- 2001 — 3 months, on the 2001 ASUU/FGN Agreement
- 2002 — 1 month
- 2003 — 6 months, on implementation of the 2001 Agreement
- 2005 — 2 weeks
- 2006 — 3 days (warning)
- 2007 — 3 months, on conditions of service
- 2008 — 1 week (warning)
- 2009 — 4 months, on the 2009 ASUU/FGN Agreement (which became the founding document of subsequent disputes)
- 2010 — 5 months
- 2011 — 2 months
- 2013 — 5.5 months (Goodluck Jonathan era — at the time the longest single strike)
- 2017 — 5 weeks
- 2018 — 3 months
- 2020 — 9 months (March–December 2020, overlapping with COVID-19 lockdown — longest until 2022)
- 2022 — 8 months (14 February to 14 October 2022), the longest contested strike
The 2022 strike combined four pre-existing disputes — the implementation of the 2009 Agreement, the Earned Academic Allowances, the migration from IPPIS to the ASUU-developed UTAS payroll system, and the revitalisation funds promised in the 2013 Memorandum of Understanding. The strike ended without a comprehensive agreement after the Federal Government invoked the 'no work, no pay' rule and withheld over eight months of academic salaries — a precedent that has not been reversed under the Tinubu administration.
The cumulative effect of 35 years of intermittent strikes is the most visible single explanation for the documented brain drain from Nigerian academia. Between 2015 and 2023, the National Universities Commission reported the resignation or non-return of over 5,000 PhD-holding academic staff from federal universities. The 'japa' wave (see Japa wave) is partly an ASUU strike story.