According to http://www.goabroad.info/Philippines.html

National Statistics Office, Philippines Official Web Site

You can estimate the 2007 population by the average annual increase of 1.92% a year.

The Philippines is the world’s 12th most populous country, with a population of over 85 million as of 2005.Roughly two-thirds reside on the island of Luzon. Manila, the capital, is the eleventh most populous metropolitan area in the world.Population growth per year is about 1.92%, with 26.3 births per 1,000 people. In the 100 years since the 1903 Census, the population has grown by a factor of eleven. This represents a much faster rate of growth than other countries in the region (Indonesia has grown fivefold over the same period).