One-Piece vs Bikini: Which Swimwear Style Is More Popular?

As temperatures rise, more and more people are starting to plan their beach getaways. A swimsuit is an absolute must-have for every woman hitting the beach this summer, which brings us to the ultimate question: which swimwear style is more popular, the one-piece or the bikini? In today's diverse swimwear market, consumers are looking for more than just the latest trends. Factors like comfort, body positivity, lifestyle, and even social media aesthetics are all influencing what people choose to wear by the beach or pool. Let's take a deep dive into the differences, pros, and cons of these two swimwear styles to help you find out which one is the perfect fit for you.

The Evolution of Women's Swimwear

Broader shifts in fashion, culture, and self-expression have left a lasting mark on changing swimwear trends. The popularity of one-piece swimsuits and bikinis has fluctuated at different points in time.

How Bikinis Became a Global Trend

The bikini gained popularity in the mid-20th century and quickly became associated with freedom, youth culture, and beach vibes. Over the decades, celebrities, fashion magazines, and pop culture cemented the bikini as a summer essential. By the early 2000s, it had practically become synonymous with trendy swimwear. Triangle, string, and low-rise bikinis became the standard uniform at beaches, resorts, and pool parties. Social media accelerated this trend even further, turning swimwear into a visual fashion statement. As more people began sharing their vacation photos on Instagram, bikini influencer culture exploded.

One of the main reasons bikinis are so popular is their versatility; consumers can freely mix and match tops and bottoms, play with different colors and patterns, and choose the right cuts to flatter different body types.

The One-Piece Swimsuit is Making a Comeback

While bikinis have dominated the mainstream swimwear market for years, we can't ignore the strong comeback of the one-piece swimsuit. Modern one-pieces are a far cry from the frumpy designs of the 80s and 90s; today, they feature cutouts, plunging V-necks, asymmetrical straps, high-cut legs, and tailored fits, making them look high-fashion rather than conservative.

An increasing number of consumers who prioritize comfort and body positivity are leaning toward one-piece swimsuits, a trend further amplified by the rise of minimalist and retro fashion aesthetics. Celebrities, athletes, and influencers have also helped redefine the one-piece. Today's designs focus on more than just practicality—they often deliver a premium, high-fashion vibe.

Which Swimwear Style Is More Popular Today?

When comparing the popularity of one-pieces and bikinis, the answer really depends on where you look. Bikinis still dominate in terms of mainstream beachwear sales and social media exposure. However, one-piece swimsuits are growing rapidly, capturing a larger share of the fashion swimwear market every year. Rather than replacing one another, these two styles cater to different consumer preferences and occasions.

Popularity on Social Media

Bikinis remain incredibly popular on platforms like Instagram, TikTok, and Pinterest because they perfectly align with vacation culture, beach photography, and the influencer aesthetic. Bright colors, tropical prints, and bold cuts tend to drive massive engagement online.

Interestingly, social media has also shifted consumer attitudes toward body positivity and personal comfort. Many users now choose swimwear based on self-expression and confidence rather than just traditional beauty standards. As a result, the comfort offered by one-piece swimsuits is drawing in a large number of consumers.

Online Shopping Trends

E-commerce data in the fashion industry shows that overall sales for bikinis remain higher, particularly among younger consumers. However, one-piece swimsuits are experiencing faster growth in the premium and high-fashion segments. There are several reasons driving this trend:

• Consumers increasingly want versatile swimwear that can double as a bodysuit or resort wear.
• An active, sporty lifestyle is influencing swimwear preferences.
• Many shoppers are putting comfort and support front and center.
• Retro and minimalist aesthetics continue to trend.

High-waisted bikini sets and shaping one-piece swimsuits are currently among the hottest-selling swimwear categories online. Search trends also reveal a growing interest in terms like:

• "best one-piece swimsuits"
• "flattering swimwear"
• "sporty swimwear"
• "high-waisted bikinis"

This indicates that consumers are actively exploring both styles rather than strictly sticking to one.

One-Piece vs Bikini: Pros and Cons

Choosing between a one-piece and a bikini can be a tough call since both styles have their own unique pros and cons. I don't believe one is definitively better than the other. The right choice usually comes down to your personal style, comfort level, and what you'll be doing.

Pros of One-Piece Swimsuits

• More Coverage and Support: Many consumers love the extra coverage and secure fit that a one-piece provides. They are often the go-to choice for swimming, water sports, and active beach days.
• Fashion Versatility: A modern one-piece can easily transition into a casual outfit when paired with shorts, a skirt, or linen pants. This mix-and-match versatility is a big reason why they are so popular in resort fashion.
• Looks more elegant: Minimalist one-piece designs often create a sleek, sophisticated look that ties into the luxury swimwear trend.
• Comfort: For many wearers, one-pieces just feel more comfortable and supportive, especially when moving around.

Cons of One-Piece Swimsuits

• Limited Sizing Flexibility: Because of the one-piece design, it can be tough to find a suit that fits perfectly on both the top and bottom. Shoppers with longer torsos or differing proportions between their chest and hips might struggle to find the perfect fit and may need to compromise.
• Inconvenient access to restrooms: The all-in-one design means you can't just pull down the bottoms; while you might manage for a quick pee, you have to take the entire suit off for anything more.
• Offer fewer mix-and-match options: Compared to bikinis, there is much less room for mixing and matching. The nature of a one-piece means you have limited opportunities to switch up your look by swapping out different pieces or colors.

Pros of Bikinis

• Freedom of Movement: Bikinis cover less surface area, allowing for much more flexibility. Whether you are tanning, taking a light swim, or just lounging by the pool, you won't feel restricted.
• Greater Style Variety: With an endless array of tops, bottoms, cuts, and color combos, consumers can easily curate their own signature look.
• Easier Tanning: Many beachgoers prefer bikinis because they allow for better sunbathing and result in minimal tan lines.
• Custom Fit Combinations: Bikinis are sold as separates, allowing you to buy different sizes for the top and bottom. This is a game-changer for women with unique proportions, such as a fuller bust with narrow hips, or vice versa.

Cons of Bikinis

• Less Coverage: For those who prefer more coverage for comfort or privacy, a bikini might not be the best fit. Plus, it offers significantly less UV protection.
• May Shift During Activity: Certain bikini tops and bottoms are prone to shifting during water sports, diving, or intense beach games. This can lead to constant adjusting, which isn't ideal for active beachgoers.

Which Swimwear Style Works Best for Different Body Types?

Different swimwear styles flatter different figures, which is a crucial factor to consider when choosing between a one-piece and a bikini.

Best Swimwear for Pear-Shaped Body

Women with pear-shaped bodies have fuller hips and thighs with a narrower upper body. The goal is to draw the visual focus upward while streamlining the lower half to balance the overall proportions. Because of this, two-piece swimsuits are often a great choice.

Opt for tops with ruffles, fringe, or ruched detailing; these 3D embellishments add volume to the chest and shoulders, making the upper body appear broader to balance out wider hips. The bottoms should be as minimalist and low-key as possible to avoid adding bulk. High-waisted designs are perfect as they tuck in the tummy and highlight the pear shape's best asset—a slender waist—while elongating the legs.

If you prefer a one-piece, look for plunging V-necks, which instantly draw the eye up to the chest and face, looking sexy while elongating the neckline.

Best Swimwear For Apple-Shapes Body

The core strategy for apple-shaped bodies is to provide bust support, minimize the volume around the midsection, and boldly show off slender legs. I highly recommend one-piece swimsuits with dense horizontal or diagonal ruching around the waist. This shirring acts like an optical illusion to perfectly conceal belly fat and offers fantastic forgiveness.

Since apple shapes tend to have fuller busts, be sure to choose styles with underwire, wide straps, or solid support to prevent any heavy or sagging look. Your legs are usually your best feature, so don't hide them!. High-cut legs will show them off to the max, making them look even longer and giving your overall silhouette a lighter feel.

Best Swimwear For Hourglass Body

Hourglass figures have beautifully balanced upper and lower halves, complete with an enviable slim waist. Both one-pieces and bikinis look incredible on this body type; it really just comes down to personal preference.

A bikini will shamelessly show off your gorgeous waistline. High-waisted bottoms, in particular, hit right at the narrowest part of your waist, offering a retro elegance while hugging your curves to perfection. Because your bust and hips are naturally balanced, wearing a matching top and bottom maintains that perfect harmony.

For one-pieces, styles with waist cutouts use an optical illusion to draw the waistline in even further, making the hourglass shape even more striking. Alternatively, a plunging V-neck paired with high-cut legs beautifully showcases your chest and elongates your legs; together, these cuts maximize your body's natural S-curve.

One-Piece vs Bikini for Different Occasions

Popularity also heavily depends on the setting. The same person might rock a bikini while lounging on vacation but switch to a one-piece for water activities.

• Bikinis are best for beach vacations.
• One-piece swimsuits are best for swimming and water sports.
• Bikinis are best for pool parties.
• More conservative one-pieces are best for family trips.

Create Your Personalized Swimwear with PeaPrint

One of the biggest shifts in the swimwear market is the demand for customization. Consumers increasingly want swimwear that showcases their unique personality, creating a massive opportunity for e-commerce entrepreneurs and Print-on-Demand (POD) sellers. PeaPrint makes it easier than ever for creators and online sellers to launch custom swimwear lines without the headache of inventory or production logistics. You can build your own personalized swimwear line in just a few simple steps:

• Sign up: Register for a PeaPrint account using your email.
• Pick up a swimsuit style: Browse our women's swimwear catalog and choose your favorite silhouettes; with over 40 styles ranging from one-pieces to bikinis, there's plenty to choose from.
• Create your Swimwear design: You can create your artwork using your own design software and upload it to our product creation tool, or simply use our built-in tools and assets to design online.
• Publish: Connect your online store to PeaPrint and publish your designed swimwear for sale, and we handle the rest! You only pay for shipping and production costs once a customer places an order—there are zero upfront fees.

Starting a custom swimwear line via print-on-demand is the easiest way to scale your swimwear business or simply create something unique for yourself. Anyone can get started quickly, and there are no minimum order quantities.