The most popular singles and tracks, according to radio audience impressions measured by Nielsen Broadcast Data Systems, sales data compiled by Nielsen SoundScan, and playlists from select non-monitored radio stations.

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Hot 100 Recurrent lists the top recurrent singles and tracks that have appeared on the Hot 100. Songs are removed from the Hot 100 and Hot 100 Airplay charts simultaneously if they have been on the Hot 100 for more than 20 weeks and rank below No. 50.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by gross impressions, computed by cross-referencing exact times of airplay with Arbitron listener data. This data is used in the Billboard Hot 100 Singles chart.

Airplay monitored by Nielsen Broadcast Data Systems. Hot 100 Recurrent Airplay lists the top recurrent singles and tracks that have appeared on the Hot 100 Airplay chart. Songs are removed from the Hot 100 and Hot 100 Airplay charts simultaneously if they have been on the Hot 100 for more than 20 weeks and rank below No. 50.

Sales data compiled by Nielsen SoundScan. This data is also used in the Billboard Hot 100 Singles chart.

Lists the top 25 singles under the 100th position from the Hot 100 Singles Chart. Bubbling under titles have not yet charted on the Hot 100 Singles Chart.

POP 100

POP 100 AIRPLAY

Top selling downloaded tracks compiled from internet sales reports collected and provided by Nielsen SoundScan.

HOT RING TONES

HOT DIGITAL SONGS

The most popular singles and tracks, according to radio audience impressions measured by Nielsen Broadcast Data Systems, sales data compiled by Nielsen SoundScan from a subset panel of core R&B/Hip-Hop stores, and playlists from select non-monitored radio stations.

Hot R&B/Hip-Hop Singles & Tracks Recurrents lists the top recurrent singles and tracks that have appeared on the R&B/Hip-Hop Singles & Tracks chart. Songs are removed from the Hot R&B/Hip-Hop Airplay and Hot R&B/Hip-Hop Singles & Tracks charts simultaneously if they have been on the R&B/Hip-Hop Singles & Tracks chart for more than 20 weeks and rank below No. 50.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by gross impressions, computed by cross-referencing exact times of airplay with Arbitron listener data. This data is used in the R&B/Hip-Hop Singles & Tracks chart.

Airplay monitored by Nielsen Broadcast Data Systems. Ranks the top 25 titles which have already appeared on the Hot R&B Singles chart for 20 weeks and have dropped below the top 50. Hot R&B/Hip-Hop Recurrent Airplay lists the top recurrent singles and tracks that have appeared on the Hot R&B/Hip-Hop Airplay chart. Songs are removed from the Hot R&B/Hip-Hop Singles & Tracks and Hot R&B/Hip-Hop Airplay charts simultaneously if they have been on Hot R&B/Hip-Hop Singles & Tracks for more than 20 weeks and rank below No. 50.

Sales data compiled by Nielsen SoundScan. This data is also used in the R&B/Hip-Hop Singles & Tracks chart.

Lists the top 25 singles under number 100 position on the Hot R&B Singles chart. Bubbling Under titles have not yet charted on the Hot R&B Singles chart.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of audience impressions.

ADULT RNB AIRPLAY

Airplay monitored by Nielsen Broadcast Data Systems.

Airplay monitored by Nielsen Broadcast Data. Hot Country Recurrents lists the top recurrent singles and tracks that have appeared on the Hot Country Sinlges & Tracks chart. Songs are removed from Hot Country Singles & Tracks if they have been on the chart for more than 20 weeks and have fallen below No. 20.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of detections.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of detections.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of detections.

Airplay monitored by Nielsen Broadcast Data Systems. Recurrents are titles which have appeared on the Hot Adult Contemporary chart for 26 weeks and have dropped below the top 15.

Compiled from a national sample of airplay supplied by Nielsen Broadcast Data Systems' Radio Track service, 37 Christian adult contemporary stations are electronically monitored 24 hours a day, 7 days a week. Bullets are awarded based on increases in audience impressions, computed by cross-referencing exact times of airplay with Arbitron listener data. A record that has been on the chart more than 20 weeks will generally not receive a bullet even if it registers an increase in audience impressions. Records below the top 20 are removed from the chart after 26 weeks. Estimated listener impressions are measured and represented on the chart in millions.

Compiled from a national sample of airplay supplied by Nielsen Broadcast Data Systems' Radio Track service, 37 Christian adult contemporary and 9 Christian Top 40 stations are electronically monitored 24 hours a day, 7 days a week. Bullets are awarded based on increases in audience impressions, computed by cross-referencing exact times of airplay with Arbitron listener data. A record that has been on the chart more than 20 weeks will generally not receive a bullet even if it registers an increase in audience impressions. Records below the top 20 are removed from the chart after 26 weeks. Estimated listener impressions are measured and represented on the chart in millions.

HOT GOSPEL TRACKS

HOT CONTEMPORARY JAZZ SONGS

Compiled from a national sample of dance club playlists.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of audience detections.

Sales data is compiled by Nielsen SoundScan.

Airplay monitored by Nielsen Broadcast Data Systems.

Airplay monitored by Nielsen Broadcast Data Systems.

Airplay monitored by Nielsen Broadcast Data Systems.

Airplay monitored by Nielsen Broadcast Data Systems.

LATIN RHYTHMIC AIRPLAY

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of detections.

Airplay monitored by Nielsen Broadcast Data Systems. Songs ranked by number of detections.

Airplay monitored by Nielsen Broadcast Data Systems. Recurrents are titles that have appeared on the Adult Top 40 Airplay Chart for 26 weeks and have dropped below the top 15.

Sales data is compiled by Nielsen SoundScan.

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