The word 'outnumbering' is correct and usable in written English.
You can use it when a large quantity of something is greater than another quantity, typically referring to the comparison of two groups or sets of people. For example: "The number of students in the class significantly outnumbered the teachers."
Perhaps we shouldn't agonise over the fact that foreign dancers are outnumbering our own within certain high-profile companies.
Latinos are already the biggest minority in the region, outnumbering blacks.
Hundreds of Mr Belhaj's posters, showing smiling voters, dominate the main roads of the capital, vastly outnumbering those of his opponents.
Between 1995 and 2000 some 3m Mexicans moved to the United States, vastly outnumbering the 700,000 or so who returned to Mexico.
"If you look at the number of internet-capable mobile phones, PDAs and so on, they are rapidly outnumbering the things we think of as computers," he says.
But cries of woe are outnumbering the shouts of joy.
The most important U.S. fighter in Europe numerically, outnumbering P-38 Lightnings and P-51 Mustangs combined, the Thunderbolt also served with the Army Air Forces in the Pacific from the summer of 1943 and with Britain's Royal Air Force in India and Burma (Myanmar).
Outnumbering Bragg now 56,359 to 46,165, Grant attacked on November 23 25, capturing Lookout Mountain and Missionary Ridge, defeating Bragg's army, and driving it southward toward Dalton, Georgia.
In 1700 there were probably no more than 2,500 blacks in the population; by 1765 there were 80,000 90,000, with blacks outnumbering whites by about 2 to 1.
Over 500 people descended upon the area, outnumbering the 400 female asylum seekers within, and the anger was palpable.
If the more attacking central midfielder and the wide player from the opposite side join them, you have four attackers in the box and a good chance of outnumbering the opposition.
