Wall of Shame · Documented Brand
Mars
Owned by Mars. We've documented 69 shrinkflation events across 47 products since 2021, with an average size reduction of 14.2% per event.
Total events
69
Products tracked
47
Avg shrinkage
-14.2%
First detected
2021
6 years of shrinking
Gaps for early years mean no documented claims, not no shrinkflation events. Reddit's r/shrinkflation was founded in 2013 and news coverage of shrinkflation only became routine after 2021.
20265 events · most covered first
Biggest individual shrinks

Reddit·2024-07-25
975g
550g
Celebrations
-43.6%975g → 550g

Reddit·2022-06-12
6ct
4ct
Celebration cookies
-33.3%6ct → 4ct

Reddit·2023-04-04
3ct
2ct
Celebration cookies
-33.3%3ct → 2ct

Reddit·2021-01-16
232g
167g
Snickers Four-Pack
-28.0%232g → 167g

Reddit·2022-09-29
40ct
30ct
drink packets
-25.0%40ct → 30ct

Reddit·2025-12-13
650g
500g
Celebrations
-23.1%650g → 500g

Reddit·2025-02-15
130g
104g
Snickers Multipack
-20.0%130g → 104g

Reddit·2022-07-01
1000g
800g
M&M's Chocolate Candies
-20.0%1000g → 800g
All Mars products
NewsCelebrations
7 events-43.6%

Celebration cookies
2 events-33.3%

Snickers Four-Pack
1 event-28.0%

drink packets
1 event-25.0%

Snickers Minis
1 event-20.0%

M&M's Peanut Chocolate Party Bag
1 event-20.0%

M&M's Chocolate Candies
1 event-20.0%

Snickers Multipack
1 event-20.0%

Mars Duo
1 event-18.8%

M&Ms Regular and Peanut
1 event-16.7%

Snickers and Bounty ice cream bars
3 events-16.7%

M&M's Share Size
1 event-16.2%

Snickers 12 pack
1 event-15.5%

Celebration tubs
1 event-15.4%

Celebrations Chocolate Assortment
1 event-15.4%

Crispy M&M's
1 event-13.4%

Sour Skittles
1 event-13.0%

Skittles
1 event-12.6%
NewsSnickers bar
1 event-12.0%
NewsPeanut M&M's
1 event-10.4%
NewsGalaxy chocolate bar
5 events-10.0%

Minstrels Milk Chocolate Buttons Sharing Pouch Bag
1 event-9.6%

M&M's Party Size
1 event-9.5%

M&Ms (Australia new flavours)
1 event-7.7%

Giant Skittles
1 event-6.4%


