Social media advertising has never been more complex — or more powerful. With over 5 billion people on social platforms globally, the opportunity is massive. But the platforms are constantly evolving, algorithms are shifting, and what worked in 2023 can actively hurt you in 2025.
Here's your complete, up-to-date guide to every major platform — what's working, what's changed, and how to allocate your budget.
2025 Stat: Global social media ad spend is projected to hit $276 billion in 2025, with mobile accounting for 82% of impressions.
Facebook & Instagram (Meta Ads)
Meta's advertising ecosystem remains the most sophisticated and scalable for most businesses. Despite iOS 14's attribution impact, Meta Ads has largely recovered through Advantage+ campaigns and on-platform conversion signals.
What's Working in 2025
- Advantage+ Shopping Campaigns for e-commerce — letting Meta's AI fully optimize audience, placement, and creative
- Reels placements — significantly lower CPMs than Feed, with strong reach for brand awareness
- Lead Ads with instant forms — native lead capture without sending people off-platform
- Broad targeting — Meta's algorithm now outperforms manual audience targeting in most cases
Average Benchmarks (2025)
- Average CPM: $8–$14
- Average CPC: $0.94–$1.76
- Average CTR: 0.9–1.2%
- Average conversion rate: 8–10% (for well-optimized landing pages)
LinkedIn Ads
LinkedIn is the undisputed king of B2B advertising. The targeting precision — job title, company size, industry, seniority — is unmatched. It's expensive (average CPC $5–$15), but when you're targeting CFOs at mid-market companies, the ROI justifies the cost.
Best LinkedIn Ad Formats in 2025
- Thought Leader Ads: Sponsor individual posts from your executives — feels native, drives high engagement
- Document Ads: Promote whitepapers and reports with in-feed previews — excellent for lead gen
- Conversation Ads: Interactive message ads with multiple CTA buttons
- Video Ads: 15–30 second videos perform best for awareness at top of funnel
TikTok Ads
TikTok is no longer just Gen Z — 38% of US TikTok users are now 25–44. For brands targeting a younger demographic or looking for low-cost reach, TikTok offers CPMs 40–60% cheaper than Meta.
What Works on TikTok
- Native-feeling creative that doesn't look like an ad
- Trending audio and effects integration
- UGC-style content — real people, real situations
- Strong hook in first 2 seconds — this is non-negotiable
Platform Budget Allocation Framework
How you split budget depends on your goals and audience, but here's our general framework for a mixed B2C brand:
- Meta (Facebook/Instagram): 50–60%
- TikTok: 20–25% (especially if targeting under-35)
- LinkedIn: 10–15% (B2B components)
- Pinterest/YouTube: 5–10% (remarketing)
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