The day has become a test of strength for the parties, where headcounts of participants are made to claim political superiority, they point out.
Crowds are attracted to May Day rallies by way of offers of money, food and alcohol.
The parties that can spend the highest have the most participants.
After the rallies, the same crowds can be seen at bars, showing that what they want is to get drunk, not to win rights of workers, political analysts point out.