People from which nationality are most hard working?

No.

This question is not ok.  This question seeks to create and propagate racist stereotypes.

Even if it is true that a particular group tends to exhibit a certain behaviour,(and it usually isn't) there will be many individuals within that group who do not behave like that.  In other words even if group X is in general more hardworking than group Y, there will be many people in group Y who are more hardworking than those in group X. 

A person is much more than their nationality.

It's not the nationalist its who you are and how committed you're for your job. It's the willingness to work and sometimes environment of the workplace which makes the difference.

It's not the nationality, it's the mentality.

Each nation has its own advantages and dis advantages.

 

For me, i prefer dealing with Philippines and western educated  at 1st place  

Western people, because they are more task oriented and have more opportunities to fulfill their dreams through their dream jobs.

Arab nationals are kings ..... for others it depends upon individual's behavior and dedication towards work, independent of nationality.

B-Indians/Pak nationality peoples are very hard workers.

I think Africans are more hard working than others