Earlier today I was mentioning in a tweet that there seems to be a long tail (also see here: http://en.wikipedia.org/wiki/Long_Tail ) for UN Job List vacancies. To illustrate what I mean, have a look at the graph below. The chart shows external views of vacancies listed on the UN Job List over the past 7 days. There are a few vacancies on the very left side that are excessively high in demand. And then interest seems to fall off pretty quickly.
My take: try to find vacancies that don’t show too much interest and still fit your interest. Don’t just apply because there seems to be “low” competition but be realistic about what are the odds of being “the one” of the many thousand applicants…