? 75% of construction workers are in developing countries,
? typically over 90% of workers are employed in micro firms with less than ten
people,
? the construction industry(3) has a significant multiplier effect on the economy as a whole and it is considered that one job in construction gives rise to two further jobs(4) elsewhere in the construction sector and in other parts of the economy. On this basis it can be seen that as much as 20% of all employment may be linked to construction activities in some way.