Section 2 of 9

Language & Framework Trends 2020 → 2026

Language and framework adoption 2020→2026 — what is rising, declining, and highest-paying.

Language	2020	2024	2025	Trend
JavaScript	~68%	62.3%	66%	#1 every year since 2013 — stable ✅
Python	~44%	51%	57.9% (+7pp YoY)	Fastest riser; AI is the engine ✅
TypeScript	~25%	38.5%	43.6%	“Among the most dramatic real-world usage rises 2020–2025” (JetBrains) ✅
Rust / Go / Kotlin	small	—	rising	”Slow, steady ascent” (JetBrains 2025) ✅
PHP / Ruby / Objective-C	mid	—	falling	”Long-term decline” (JetBrains 2025) ✅

Frontend frameworks

Framework	SO 2024	SO 2025	State of JS 2024 (professional use)
React	39.5%	44.7%	8,548 respondents — #1 by >2× ✅
Angular	17.1%	18.2%	3,642 — #3 (behind Vue 3,976) ✅
Vue	~16%	—	#2 in State of JS ✅

Angular verdict (verified): stable, second-tier. Not dying — 17→18% is flat-to-slightly-up, enterprise base is durable — but React postings outnumber Angular ~2–3×, and no survey shows Angular gaining share. Caveat: SO 2024 ranks Angular ahead of Vue among professionals; State of JS ranks Vue ahead — surveys disagree on #2, agree React dominates. ✅

Meta-frameworks (Next.js, Nuxt) grew strongly through the period; Next.js is the default React deployment story. [Directionally solid; exact 2026 shares UNVERIFIED in this pass]

Backend

Node.js: 2020 peak 51% → 40.8% (2024) survey share — still the #1 web technology, but share diluted (npm absolute downloads still grew; decline is share-of-survey, not ecosystem shrinkage). ✅
Python backend (FastAPI, Django) rising with the AI wave — FastAPI is the default LLM-app backend. [FastAPI trend widely reported; precise share UNVERIFIED]
Go for infra/platform; Java/.NET stable in enterprise.

Mobile

Cross-platform consolidation: Flutter and React Native dominate new cross-platform work; native Swift/Kotlin stable for platform-heavy apps. Objective-C in long-term decline. ✅ (Obj-C part verified via JetBrains)

Data / AI stack

Python owns the category (its +7pp surge is AI-driven ✅).
AI tooling mainstream: 81.4% of SO 2025 respondents use OpenAI GPT models; 42.8% Claude Sonnet; Cursor 17.9% ✅. PyTorch >> TensorFlow for new work [widely reported, UNVERIFIED here]. Vector DBs (pgvector, Pinecone, Qdrant), orchestration (LangChain/LangGraph), inference (Ollama, vLLM) formed a new standard layer 2023–2026.

Highest-paying (directional, SO 2025 + market reports)

AI/ML engineering ($89k global median / $189.5k US ✅ — the verified premium)
Rust/Go systems roles (consistently top language-pay tables) [UNVERIFIED exact figures]
Specialized data/platform engineering
TypeScript full-stack sits mid-pack; the premium comes from stack + domain, not the language itself.

Implication for the user: TypeScript (owned) is rising ✅ — keep. Python (Stage-5 gap) is the single highest-leverage addition ✅. Angular is safe to keep earning with but wrong to bet the next 5 years on exclusively; React familiarity widens the funnel ~2–3×.

Programming languages are like spoken languages of a global trade market:

JavaScript = English. Everywhere, unavoidable, still #1. Not going anywhere. ✅
TypeScript = English with grammar-checking built in. Same language, but mistakes get caught before they cost money. One of the fastest-growing skills of the decade — and the user already speaks it fluently. ✅
Python = Mandarin of the AI economy. Grew more than any other major language last year (from about half of developers to nearly 6 in 10) because every AI tool speaks it. Not knowing it now is like being a trader who won’t learn the language of the fastest-growing market. ✅
PHP, Ruby, Objective-C = languages of once-great trading ports now quietly declining. Still spoken, shrinking relevance. ✅
Rust, Go, Kotlin = specialist dialects slowly gaining prestige (used for building very fast, very reliable machinery). ✅

Frameworks (pre-built toolkits for building app screens):

React is the market leader — more than twice as many professionals use it as its rivals. ✅
Angular (the user’s specialty) is like a respected but niche craft guild: stable membership (~18% of developers), strong in big corporations, but not growing. Perfectly good income today; risky as an only skill for the next decade. ✅

Money: the biggest pay jumps aren’t from switching spoken languages — they’re from adding the AI trade. AI engineers earn roughly double comparable web developers at the top end. ✅

Diagrams

Language trajectories — verified survey years (% of surveyed developers)

JavaScript Python TypeScript

Only years with a directly reported figure in the source surveys are plotted (2021–2023 are not shown — no verified data point). Python's rise is AI-driven — +7pp in the most recent year alone. TypeScript's climb since 2020 is one of the decade's most dramatic real-world usage shifts. · Stack Overflow Developer Surveys 2020, 2024, 2025

Data table

Period	JavaScript	Python	TypeScript
2020	68	44	25
2024	62.3	51	38.5
2025	66	57.9	43.6

Frontend framework share, 2025

React leads by more than 2×. Angular is stable second-tier (17→18% is flat-to-slightly-up), not declining. · Stack Overflow Developer Survey 2025