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Executive Summary:

This article examines the impact of private labels and consumer brand preference on retail, utilizing data from Prosper Insights & Analytics across various product categories. The analysis spans from 2014 to 2024, providing insights into trends and shifts in consumer behavior.

The study underscores the importance of understanding evolving consumer preferences and adapting retail strategies accordingly. As private labels and consumers without brand preferences grow, retailers and manufacturers must innovate to maintain relevance in a competitive market landscape.

Customer Preferences in Retail: Private Labels and Brand Loyalty
By Dr. Martin Block, Professor Emeritus, Northwestern University, Retail Analytics Council

The impact of both private labels and no brand preference on retail is measurable from the perspective of the consumer. Using self-report data from Prosper Insights, which measures a variety of product categories every month, the development of retail private labels and no brand preference can be estimated. “Killing Brand Softly,” published in the Journal of Brand Strategy in 2016, indicated the growth of no brand preference and the dramatic rise of the Internet as a retail shopping source. The effort has not been updated since. Brand preference is coded from open-ended responses to a favorite brand or retailer question across various categories. Private labels include generics and specific brands such as Kirkland, Equate, Great Value, and Up and Up. The analysis shows a ten-year trend represented by an annual growth rate (slope) and then expressed as a percentage of the last month’s percentage or dollar value to make it easier to compare across categories.

Private Labels

The definition of a private brand label ties the brand to a particular retailer. To attempt to generalize across specific retailers’ private labels, they are aggregated into particular categories, as shown in Table 1. The share is for the leading brand in the category. The month indicates when the data was collected: May through December is 2023, and January through March is 2024.

Table 1:  Product Categories

Category Month Leading Brand Share
Glass Cleaner January Windex 43.0
Bleach February Clorox 41.7
Dish Detergent January Dawn 41.1
Laundry Detergent February Tide 31.4
Razors March Gillette 29.8
Paper Towels January Bounty 26.9
Foils November Reynolds 26.6
Toothpaste May Crest 26.5
Facial March Kleenex 26.3
Insect Repellent June OFF! 25.7
Bath Soap May Dove 24.3
Toilet Tissue March Charmin 22.5
Mouthwash May Listerine 19.8
Storage Bags November Ziploc 19.7
Air Fresheners January Glade 18.7
Pain Relievers December Tylenol 15.2
Cereal August Kellogg’s 13.9
Antiperspirant March Dove 12.6
Plastic Wraps November Glad 12.1
Cold Medications December Vicks 11.6
Dinner Entrees October Stouffer’s 9.8
Pizza October Digiorno 9.6
Shampoo March Suave 9.5
Ice Cream October Breyers 9.1
Napkins November Bounty 5.6
Vitamins December One A Day 3.7
Average 20.6

Private label shares are shown in Table 2. Added is the AGR divided by the last month’s share, which indicates the relative change over the last ten years. Also added is the average purchase cycle in weeks. Napkins are the category with the highest private label share. Similar categories such as foils, paper towels, plastic wraps, and toilet tissue are high. Facial tissues are the highest-growing private label category. Only plastic wraps and cold medications show a decline. The overall average private label share among these 26 categories is 9.7%, compared to an average of 20.6% for the leading brand. The average annual growth as a percentage is 3.3%.

Table 2: Private Label Shares

Category Brand Leading Share Private Share AGR/Share Weeks
Napkins Bounty 5.6 23.7 -0.1 3.8
Foils Reynolds 26.6 19.6 6.2 4.8
Paper Towels Bounty 26.9 19.2 3.5 4.3
Plastic Wraps Glad 12.1 18.5 -0.9 4.3
Storage Bags Ziploc 19.7 17.8 1.0 4.3
Toilet Tissue Charmin 22.5 15.7 2.2 4.3
Pain Relievers Tylenol 15.2 14.0 1.2 4.3
Ice Cream Breyers 9.1 12.9 3.1 3.3
Vitamins One A Day 3.7 11.3 1.9 3.9
Facial Kleenex 26.3 11.2 11.4 4.0
Bleach Clorox 41.7 11.0 3.7 3.9
Pizza Digiorno 9.6 8.4 1.9 3.0
Glass Cleaner Windex 43.0 8.1 5.2 4.8
Cold Medications Vicks 11.6 7.8 -0.2 4.2
Mouthwash Listerine 19.8 7.5 3.9 4.1
Razors Gillette 29.8 7.4 3.1 4.5
Dinner Entrees Stouffer’s 9.8 6.5 6.4 2.6
Dish Detergent Dawn 41.1 5.2 2.8 4.6
Laundry Detergent Tide 31.4 5.0 5.5 4.4
Cereal Kellogg’s 13.9 4.5 1.6 2.9
Air Fresheners Glade 18.7 4.1 2.8 3.6
Shampoo Suave 9.5 3.2 2.4 4.9
Bath Soap Dove 24.3 3.1 6.2 4.1
Insect Repellent OFF! 25.7 3.0 3.9
Anti-perspirant Dove 12.6 1.9 1.8 3.8
Toothpaste Crest 26.5 1.0 5.5 4.6
Average 20.6 9.7 3.3 4.1

Table 3 shows the no preference shares for the 26 product categories. Added is the percentage reporting a purchase in the category. High on the list of no-preference categories are vitamins, napkins, and, interestingly, frozen dinner entrees. Only insect repellent shows any decline in no preference share. The overall average for no preference shares at 39.9% is approximately four times that of the private label share. The annual growth rate is slower at 1.1%. Private label share growth is about three times fast.

Table 3: No Preference

Brand Leading Share No Preference Agr/Share Purchase Weeks
Vitamins One A Day 3.7 68.4 0.6 77.0 3.9
Napkins Bounty 5.6 58.1 1.3 76.6 3.8
Insect Repellent OFF! 25.7 56.9 -0.3
Dinner Entrees Stouffer’s 9.8 52.9 0.7 75.5 2.6
Pain Relievers Tylenol 15.2 52.8 1.2 80.8 4.3
Plastic Wraps Glad 12.1 50.7 1.8 80.7 4.3
Pizza Digiorno 9.6 48.2 0.6 83.5 3.0
Foils Reynolds 26.6 46.7 2.4 89.2 4.8
Facial Kleenex 26.3 44.2 1.8 77.1 4.0
Ice Cream Breyers 9.1 42.1 1.8 88.9 3.3
Storage Bags Ziploc 19.7 41.8 2.0 85.9 4.3
Air Fresheners Glade 18.7 41.1 0.0 75.0 3.6
Bleach Clorox 41.7 38.5 0.9 78.3 3.9
Razors Gillette 29.8 38.1 0.9 83.5 4.5
Glass Cleaner Windex 43.0 37.8 1.6 84.4 4.8
Mouthwash Listerine 19.8 36.3 0.0 85.0 4.1
Bath Soap Dove 24.3 33.7 0.0 88.1 4.1
Cereal Kellogg’s 13.9 33.2 1.0 84.8 2.9
Toilet Tissue Charmin 22.5 31.9 1.7 95.4 4.3
Paper Towels Bounty 26.9 31.5 1.8 93.5 4.3
Dish Detergent Dawn 41.1 31.2 0.6 93.0 4.6
Anti-perspirant Dove 12.6 29.3 2.0 73.9 3.8
Shampoo Suave 9.5 29.1 2.1 94.5 4.9
Laundry Detergent Tide 31.4 27.8 0.0 95.2 4.4
Toothpaste Crest 26.5 27.6 0.0 95.3 4.6
Cold Medications Vicks 11.6 7.8 1.8 69.3 4.2
Average 20.6 39.9 1.1 84.2 4.1

The correlation between the share size and growth rate for private labels is -0.59, compared to -.012 for no preference, reflecting the larger size for the no preference share. Both are, however, increasing. Purchasing has only a -.04 correlation with private shares and a -.027 with no preference share. A similar pattern is seen with a purchase cycle and private label of 0.10, and an inverse relation with no preference share at -0.31. It is also worth noting that private label and no preference share are moderately related at 0.38.

Assuming continued linear growth for the next ten years, the overall private label share would reach 14.2%, and the no preference share would be 50.4%. Combining these leaves only 34.4% of manufacturer brands. Today, in 2024, that number is 47.6%, representing a 25.6% decrease in the overall manufacturer share.

Retail Categories

Categorizing retailers is a challenge since they are represented by large national chains all the way to small, locally owned stores. In addition, they have tended to specialize in a single class of goods, but even this is expanding. Even the chains are not uniformly distributed across the entire country. The categorization here consists of eight categories that allow the consideration of changes in store type and no preference.

Beginning with Women’s Clothing, Table 4 shows that Walmart is the leading shopped most often store by all adults. This is followed closely by Amazon. While Walmart’s share is increasing, Amazon is increasing at nearly ten times the rate, predicting that Amazon will take over and lead a safe bet within the year. Among the brands with at least 1.0 percent share, SHEIN is dramatically the fastest growing, and JC Penney the fastest declining.

Clearly, the fastest growing type of retailer in this category is the Internet, with a sharp drop in department stores. Specialty clothing stores remain relatively flat. No preference is essentially the largest category, with a steady increase of 3.85%.

Table 4:  Women’s Clothing

2024 AGR %
Walmart 11.05 1.42
Amazon 10.81 11.66
Kohl’s 8.99 -5.50
Macy’s 7.28 -7.57
Target 3.12 0.60
SHEIN 2.59 24.61
JC Penney 2.05 -23.10
TJ Maxx 1.86 0.64
Ross 1.80 -1.92
Old Navy 1.71 -1.48
No Preference 22.54 3.85
Internet 13.40 11.72
Membership Warehouse 0.55 6.66
Specialty – Apparel 17.00 0.11
Discount Store 20.66 0.02
Catalog 1.05 -1.63
Department Store 22.10 -9.12
Spend 59.68 2.98

Bedding, Linens, and Draperies have a similar pattern to Women’s Clothing, as shown in Table 5. Walmart is the leading store that is reported to be shopped most often, followed by Amazon. Bed Bath & Beyond and, again, JC Penney are in decline. Discount stores overall are almost flat. Membership Warehouses and Home Improvement Stores are still small but are increasing steadily. The Department Store and the Specialty Home Store are declining. No Preference is the leading category, with a solid annual increase of 2.43%.

Table 5:  Bedding/Linens/Draperies

2024 AGR %
Walmart 17.24 0.97
Amazon 14.45 9.21
Target 6.94 0.66
Kohl’s 5.34 -2.79
Macy’s 4.55 -1.33
Bed Bath & Beyond 4.06 -24.77
JC Penney 2.05 -20.90
HomeGoods 1.84 4.12
Ross 1.12 -2.27
No Preference 29.47 2.43
Discount Store 28.50 -0.01
Internet 20.33 7.95
Department Store 13.19 -6.57
Specialty – Home 3.84 -31.82
Membership Warehouse 1.20 6.71
Home Improvement Store 0.42 7.85
Catalog 0.27 -11.48
Spend 16.29 4.42

Groceries represent the most often shopped retail category. As shown in Table 6, Walmart enjoys the highest share with a solid growth rate. Others that show an increase are Aldi, Costco and Target. Grocery stores overall, while claiming over half of shoppers, are declining at a rate of 2.44%. The internet is still small at 2.11% but is growing at the fastest rate. In addition to asking about the store most often, respondents were also asked to indicate from a list of 56 stores that they have visited in the last 90 days. The stores column in Table 5 represents the mean number for those compared to their favorite. Costco and Amazon shoppers report visiting more stores. Grocery Store shoppers, overall, visit fewer stores than either Membership Warehouses or Internet shoppers. The No Preference level is the lowest among groceries compared to any other categories; however, it has a solid increase of 3.92%.

Table 6: Groceries

2024 AGR % Stores
 Walmart 27.57 4.11 3.83
 Kroger 7.48 -0.65 3.98
 Aldi 5.72 4.57 4.02
 Publix 4.03 -1.37 3.96
 Shoprite 2.80 -3.82 3.94
 Costco 2.67 3.05 4.56
 Safeway 2.23 -4.49 4.18
 HEB 2.21 0.86 3.85
 Target 2.16 3.46 4.01
 Amazon 1.74 0.33 5.55
 No Preference 6.50 3.92 3.63
 Internet 2.11 16.55 5.38
 Convenience Store 0.08 6.14
 Discount Store 31.99 3.53 3.82
 Membership Warehouse 4.40 2.48 4.49
 Grocery Store 51.22 -2.44 3.85
 Drugstore 0.06 -9.02
Spend 339.01 1.03

Health and Beauty Aids (HBA), as shown in Table 7, again shows Walmart with a solid lead, with Amazon well behind but with rapidly increasing growth. The biggest decline is Rite Aid.  The Discount Store is the leading store category, followed by the Drug Store. Specialty stores, such as Ulta and Sephora, also show solid gains. The No Preference level is low, with only a moderate level of increase at 2.0%.

Table 7:  Health and Beauty Aids

2024 AGR %
Walmart 28.29 0.56
CVS 14.12 -0.33
Amazon 8.39 9.65
Target 7.53 -0.76
Walgreens 7.29 -3.39
Ulta 2.68 4.80
Sephora 1.99 2.42
Kroger 1.61 -2.26
Costco 1.60 2.36
Rite Aid 1.36 -18.99
No Preference 10.88 2.10
Discount Store 39.60 -0.45
Drugstore 23.06 -2.99
Internet 9.03 8.58
Grocery Store 6.35 -4.26
Membership Warehouse 2.23 2.23
Convenience Store 0.03 13.21
Spend 49.38 3.44

Prescription drugs are a category, unlike the others. Walmart drops to third, with CVS leading well ahead of Walgreens, as shown in Table 8. Others include other institutional sources. The overall Drugstore category shows a very small decline; the Internet has a very solid increase, with No Preference showing a solid increase at 4.05%. Government involvement and insurance subsidies undoubtedly have a great impact on this category.

Table 8:  Prescription Drugs

2024 AGR %
CVS 24.03 0.00
Walgreens 15.23 0.00
Walmart 9.95 0.00
Other 8.91 -0.02
Rite Aid 2.61 -0.04
Amazon 2.32 0.04
Kroger 1.76 -0.01
Publix 1.52 0.01
Express Scripts 1.26 0.00
OptumRx 1.06 0.03
No Preference 24.83 0.01
Drugstore 46.70 -0.44
No Preference 24.83 4.05
Discount Store 11.65 -2.22
Grocery Store 7.89 -2.07
Internet 2.69 10.70
Membership Warehouse 1.11 -4.76
Spend 34.96 0.69

As shown in Table 9, home improvement is led by Home Improvement Stores, Home Depot, and Lowe’s, both of which have experienced solid declines. Walmart is again in third with a solid increase, followed by Amazon with a considerably larger increase. No Preference also increases at 3.39%.

Table 9:  Home Improvement

2024 AGR %
Home Depot 29.87 -1.29
Lowe’s 20.07 -3.96
Walmart 6.55 2.72
Amazon 5.13 11.47
Menards 3.22 -5.38
ACE Hardware 2.73 -1.30
Target 1.14 3.99
No Preference 26.44 3.39
 Home Improvement Store 56.31 -2.57
 Discount Store 8.19 2.45
 Internet 5.70 11.08
 Department Store 0.57 -17.56
 Membership Warehouse 0.37 7.98
Spend 63.2 3.46

Electronics is dominated by Best Buy as shown in Table 10, but with a solid decrease. Walmart is again third, but behind a rapidly growing Amazon. No Preference is nearly the largest category, increasing at a solid 3.65%.

Table 10:  Electronics

2024 AGR %
Best Buy 25.72 -3.91
Amazon 18.76 3.58
Walmart 16.30 0.20
Target 3.63 -0.49
Costco 1.77 -0.24
Apple 1.60 9.35
eBay 0.86 4.52
Sam’s Club 0.42 -2.39
No Preference 24.82 3.65
Specialty 25.72 -3.91
Discount Store 20.55 -0.10
Internet 20.54 3.20
Membership Warehouse 2.37 -0.86
Department Store 0.64 -20.05
Spend 38.60 2.44

The last category, Sporting Goods, is led by Dick’s Sporting Goods, which is also increasing, as shown in Table 11. Amazon is second with the largest growth. Walmart is again third with a small decline. Specialty stores show a decrease, indicating that smaller competitors are struggling. The No Preference category is the highest among the eight categories. The No Preference growth is still solid at 1.15%.

Table 11:  Sporting Goods

2024 AGR %
Dicks Sporting Goods 19.29 0.63
Amazon 11.43 7.21
Walmart 9.36 -0.77
Academy 3.48 -1.03
Target 2.09 0.41
Big 5 Sporting Goods 1.32 -9.84
Nike 1.05 10.03
REI 0.58 -1.27
Bass Pro Shops 0.42 1.78
No Preference 42.63 1.15
 Specialty 26.87 -3.05
 Internet 12.38 6.85
 Discount Store 12.22 -1.12
 Department Store 0.72 -21.73
 Membership Warehouse 0.58 5.46
Spend 21.61 4.21

Table 12 compares the eight categories. The average No-Preference level is 23.5%. This varies somewhat by retail category, as indicated in the index. Home Improvement and Bedding are very similar. Sporting Goods and Groceries are outliers, which may relate to the frequency of purchase. About 21.7% of shopping seems to occur at a discount store, 10.8% on the Internet, and 1.6% at a membership Warehouse.

Table 12:  Market Share by Retail Category

Women’s Bedding Groceries HBA Drugs Home Electronics Sporting Average
No Pref. 22.5 29.5 6.5 10.9 24.8 26.4 24.8 42.6 23.5
Index 95.9 125.4 27.6 46.3 105.6 112.4 105.5 181.3
Department 22.1 13.2 0.6 0.7 9.2
Discount 20.7 28.5 32.0 39.6 11.7 8.2 20.5 12.2 21.7
Internet 13.4 20.3 2.1 9.0 2.7 5.7 20.5 12.4 10.8
Membership 0.5 1.2 4.4 2.2 1.1 0.4 2.4 0.6 1.6
Specialty 17.0 3.8 56.3 25.7 26.9 26.0
Grocery 51.2 6.3 7.9 21.8
Drugstore 23.1 46.7 34.9

Table 13 shows the change over the past ten years. The largest increase is in the Internet, with an average of 9.58%. Discount Stores are relatively flat. Membership Warehouses enjoy a solid increase. Special Stores, and especially Department Stores, have sharp declines.

Table 13:  AGR Percent by Retail Category

Women’s Bedding Groceries HBA Drugs Home Electronics Sporting Average
No Pref. 3.85 2.43 3.92 2.10 0.01 3.39 3.65 1.15 2.56
Index 150.08 94.84 153.11 81.96 0.43 132.07 142.49 45.02
Department -9.12 -6.57 -20.05 -21.73 -14.37
Discount 0.02 -0.01 3.53 -0.45 -2.22 2.45 -0.10 -1.12 0.26
Internet 11.72 7.95 16.55 8.58 10.70 11.08 3.20 6.85 9.58
Membership 6.66 6.71 2.48 2.23 -4.76 7.98 -0.86 5.46 3.24
Specialty 0.11 -31.82 -2.57 -3.91 -3.05 -8.25
Grocery -2.44 -4.26 -2.07 -2.92
Drugstore -2.99 -0.44 -1.71

Over the past ten years, No Preference overall across several retail categories has increased at an average annual rate of 2,56%. As of 2024, the level is 23.5%. The largest increase is the Internet with an average of 9.58%. Discount Stores are relatively flat. Membership Warehouses enjoy a solid increase. Special Stores, and especially Department Stores, have sharp declines.

In terms of product brands, there is a moderate inverse relationship between the share size and growth rate for private labels, compared to a weaker relationship for no preference. Both are, however, increasing. Attempting to explain these, purchasing frequency has almost no relationship with private label share and no preference share. A similar pattern is seen with the purchase cycle and private label and a weak inverse relation with no preference share. It is also worth noting that private label and no preference share are moderately related.

Assuming continued linear growth for the next ten years, the overall private label share would reach 14.2%, and no preference share would reach 50.4%. This combines these leaves in only 34.4% of manufacturers’ brands. Today, in 2024, that number is 47.6%, representing a 25.6% decrease in the overall manufacturers’ share. This compares to the current 23.5% and a ten-year forecast of 29.5%.

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