1. A system for extracting demographic information using facial components comprising; a) means for detecting one or a plurality of face images from one or a plurality of input images, b) means for detecting facial components in the face images, c) means for extracting one or a plurality of facial component features from the facial components, d) means for automatically generating component information from the facial component features and the facial components, and e) means for processing the component information using classifiers including data level fusion classifiers and hierarchical fusion classifiers for demographic information identification, wherein the data level fusion classifiers concatenate preprocessed component information into a single vector, wherein the hierarchical fusion classifiers process results from component demographic classifiers, wherein the preprocessed component information from each component is preprocessed differently from each other to improve the accuracy of each component demographic classifier, wherein the demographic information comprises age, gender, or ethnicity, whereby said facial components are defined as artifacts that are individual parts of which a composite entity is made up, and whereby the input images are acquired from an image sensing device or internet.