Egyptian NGO Awlad al-Ard publishes regular reports of strike activity in Egypt. It is not clear exactly what the sources are for this information, but presumably the reports are largely compiled from press coverage of strikes.

The distinction between these different categories of collective action is not particularly clear. For example, most sit-ins will necessarily involve the workers concerned being on strike. But in addition to being on strike they are also occupying their workplace or the street outside.

These figures don’t give a sense of the duration of each episode of collective action, nor the numbers involved (a strike by 10 people appears as one episode alongside a factory occupation involving 20,000 workers), but they do provide a useful index of the levels of strike activity.

The break down of monthly reports on strike activity for the first six months of 2011 looks like this: