Blue is the most favorite color worldwide, as deducated in surverys.
Cheddar.
the most popular color of a doorknob is brown.
Christianity I hope.
Worldwide, that would be Christianity.
I think red is the third most popular color.
the most popular color of windmills would most likely be white.
Just as in the US and other countries there is no 'most popular color' in England. Some colors may be more popular than others, but there is no 'most popular color'.
As of 12/2010 the most popular color is white.
the second most popular color in ireland is blue
The most popular Easter egg color is blue.
The most popular color for tableware continues to be bone or ivory.
There is no statistics on what is the most popular, but "Happy Birthday" is one of the most spread songs in the world.