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:
As children get older their rate of vocabulary growth increases. Children probably understand their first 50 words before they produce them. By the age of eighteen months, children typically attain a vocabulary of 50 words in production, and between two to three times greater in comprehension.