Age Demographics for Industry Workforces. Employment survey data indicates groups of public sector workers tend to be older than the workforce as a whole. In 2012, the median age for all workers employed nationwide was 42.3 years. The following data shows 2012 annual estimates of ages for employed persons, by industry.
guest2 Fri Jun 06, 2008 9:46 pm GMT. Average native speakers (and even unaverage) know nowhere near 60,000 words in English or any other language. The most careful studies show that even university-educated speakers top out at about 20,000 base words--and that's receptive, not active. For example, see the following study, which shows the average for university-educated speakers at about 17,000 base words:
If you had to choose the first 2,000 words to learn, the list below is very accurate. The number next to the link is the actual number. Top 2000 English Vocabulary Words used in Speaking (2265). Out of the 2265 words in the list, a total of 1867 word families were present.