Missus Obama joked that if she had known, she would have picked a higher number.

VOA: special.2010.05.28

The real number of people he killed will never be known.

VOA: special.2010.03.17

Security experts say armed Maoists, also known as Naxalites, number about 20,000 and control about one-fifth of India's forests.

VOA: standard.2009.06.21

While the crises in these three countries are relatively well known, there are a number of countries that remain largely forgotten.

VOA: standard.2010.02.04

The exact number of foreigners in Somalia is not known.

VOA: standard.2009.12.23