On that color‑coded map, the gray countries are those without an official public holiday called Labour Day or International Workers’ Day on May 1 or another date.

They may still have other holidays that honor work or productivity, but not a formal “Labour Day” in the global sense. Examples include:

Middle East & North Africa:

Saudi Arabia

United Arab Emirates
On that color‑coded map, the gray countries are those without an official public holiday called Labour Day or International Workers’ Day on May 1 or another date.

They may still have other holidays that honor work or productivity, but not a formal “Labour Day” in the global sense. Examples include:

Middle East & North Africa:

Saudi Arabia

United Arab Emirates

Qatar

Kuwait

Oman

Bahrain

Morocco (note: some sources list May 1 observances, but not always as a public holiday)

Asia & Pacific:

Taiwan (May 1 is observed in some sectors but not a national public holiday)

Afghanistan (varies by region and recognition)

Nepal (May 1 is recognized but not always a full public holiday)

Africa:

South Sudan

Eritrea (has other national days but not a formal Labour Day)

Other territories:

Greenland

Some small island nations in the Pacific and Caribbean that follow different holiday calendars.

These gaps usually come down to different labor traditions, political choices, or religious calendars taking precedence over an international workers’ holiday.