It is reasonable to assume that all such figures underestimate the real activities of the elderly.

"The death toll just keeps going up, and it is pretty certain that the official figures underestimate the size of the problem."

But this figure underestimates the size of the Russian economy.

The later figures may therefore underestimate the extent to which wealth is concentrated.

But economists are now saying that this figure considerably underestimates the real number.

Thus the figures underestimate the percentage who will ultimately receive instruction at each grade.

But even those figures may underestimate the disproportionate influence that comes from the advocates' commitment.

But officials say that these figures significantly underestimate the oil trade because they cover only direct imports of Iranian crude.

It is likely that official figures underestimate the actual impacts of entanglement.

Since the records are incomplete, these figures probably underestimate doctors' actual incomes.