As of the latest available data, approximately 70% to 80% of U.S. jobs are traditionally filled through online job advertisements. The growth in digital platforms for job searching has led to this significant percentage, as companies increasingly rely on the internet for recruiting due to its wide reach and efficiency.

For further detailed statistics and analysis, the U.S. Bureau of Labor Statistics or job market analysis reports by agencies such as Glassdoor and LinkedIn provide comprehensive resources.

(Note: The percentage can vary slightly depending on the source and methodology of data collection.)