| German |
| has gloss | deu: Dies ist eine Liste der Nummer-eins-Hits in den von Billboard ermittelten Best-Sellers-in-Stores-Charts (Verkaufscharts) in den USA im Jahr 1940. | cellpadding="2" cellspacing="10" style="width: 100%; border: 0;" |- style="background: #efefef;" ! Singles |- valign ="top" style="background: #ffffff;" | width="50%" | * Tommy Dorsey – I'll Never Smile Again ** 12 Wochen (27.Juli – 18. Oktober) * Bing Crosby – Only Forever ** 9 Wochen (19. Oktober – 20. Dezember) * Artie Shaw – Frenesi ** 12 Wochen (21. Dezember – 14. März 1941, insgesamt 13 Wochen) | width="50%" | |
| lexicalization | deu: Liste der Nummer-eins-Hits in den USA |
| Dutch |
| has gloss | nld: | width="100%" | width="100px" |Datum || Artiest || Titel |- | 27 juli || Tommy Dorsey || Ill never smile again |- | 3 augustus || Tommy Dorsey || Ill never smile again |- | 10 augustus || Tommy Dorsey || Ill never smile again |- | 17 augustus || Tommy Dorsey || Ill never smile again |- | 24 augustus || Tommy Dorsey || Ill never smile again |- | 31 augustus || Tommy Dorsey || Ill never smile again |- | 7 september || Tommy Dorsey || Ill never smile again |- | 14 september || Tommy Dorsey || Ill never smile again |- | 21 september || Tommy Dorsey || Ill never smile again |- | 28 september || Tommy Dorsey || Ill never smile again |- | 5 oktober || Tommy Dorsey || Ill never smile again |- | 12 oktober || Tommy Dorsey || Ill never smile again |- | 19 oktober || Bing Crosby || Only forever |- | 26 oktober || Bing Crosby || Only forever |- | 2 november || Bing Crosby || Only forever |- | 9 november || Bing Crosby || Only forever |- | 16 november || Bing Crosby || Only forever |- | 23 november || Bing Crosby || Only forever |- | 30 november || Bing Crosby || Only forever |- | 7 december || Bing Crosby || Only forever |- | 14 december || Bing Crosby || Only forever |- | 21 december ||... |
| lexicalization | nld: Nummer 1-hits in de Billboard Best Sellers Chart in 1940 |
| Swedish |
| has gloss | swe: | width="100%" | width="100px" |Datum || Låt || Artist |- | 27 juli || Ill Never Smile Again || Tommy Dorsey |- | 3 augusti || Ill Never Smile Again || Tommy Dorsey |- | 10 augusti || Ill Never Smile Again || Tommy Dorsey |- | 17 augusti || Ill Never Smile Again || Tommy Dorsey |- | 24 augusti || Ill Never Smile Again || Tommy Dorsey |- | 31 augusti || Ill Never Smile Again || Tommy Dorsey |- | 7 september || Ill Never Smile Again || Tommy Dorsey |- | 14 september || Ill Never Smile Again || Tommy Dorsey |- | 21 september || Ill Never Smile Again || Tommy Dorsey |- | 28 september || Ill Never Smile Again || Tommy Dorsey |- | 5 oktober || Ill Never Smile Again || Tommy Dorsey |- | 12 oktober || Ill Never Smile Again || Tommy Dorsey |- | 19 oktober || Only Forever || Bing Crosby |- | 26 oktober || Only Forever || Bing Crosby |- | 2 november || Only Forever || Bing Crosby |- | 9 november || Only Forever || Bing Crosby |- | 16 november || Only Forever || Bing Crosby |- | 23 november || Only Forever || Bing Crosby |- | 30 november || Only Forever || Bing Crosby |- | 7 december || Only Forever || Bing Crosby |- | 14 december || Only Forever || Bing Crosby |- | 21 december || Frenesi ||... |
| lexicalization | swe: Billboardlistans förstaplaceringar 1940 |
| Turkish |
| has gloss | tur: | width="100%" | Hafta || Şarkı || Sanatçı |- | 27 Temmuz || "Ill Never Smile Again" || Tommy Dorsey |- | 3 Ağustos || "Ill Never Smile Again" || Tommy Dorsey |- | 10 Ağustos || "Ill Never Smile Again" || Tommy Dorsey |- | 17 Ağustos || "Ill Never Smile Again" || Tommy Dorsey |- | 24 Ağustos || "Ill Never Smile Again" || Tommy Dorsey |- | 31 Ağustos || "Ill Never Smile Again" || Tommy Dorsey |- | 7 Eylül || "Ill Never Smile Again" || Tommy Dorsey |- | 14 Eylül || "Ill Never Smile Again" || Tommy Dorsey |- | 21 Eylül || "Ill Never Smile Again" || Tommy Dorsey |- | 28 Eylül || "Ill Never Smile Again" || Tommy Dorsey |- | 5 Ekim || "Ill Never Smile Again" || Tommy Dorsey |- | 12 Ekim || "Ill Never Smile Again" || Tommy Dorsey |- | 19 Ekim || "Only Forever" || Bing Crosby |- | 26 Ekim || "Only Forever" || Bing Crosby |- | 2 Kasım || "Only Forever" || Bing Crosby |- | 9 Kasım || "Only Forever" || Bing Crosby |- | 16 Kasım || "Only Forever" || Bing Crosby |- | 23 Kasım || "Only Forever" || Bing Crosby |- | 30 Kasım || "Only Forever" || Bing Crosby |- | 7 Aralık || "Only Forever" || Bing Crosby |- | 14 Aralık || "Only Forever" || Bing Crosby |- | 21 Aralık || "Frenesi" || Artie Shaw |- |... |
| lexicalization | tur: ABD 1940 yılı 1 numara şarkıları |