---
title: "Shipping Chokepoints"
slug: shipping-chokepoints
type: data-index
sector: geopolitical
canonical_url: https://deepstoryresearch.com/data/shipping-chokepoints
series: [suez_decline, panama_transits]
series_count: 2
data_point_count: 7
data_as_of: 2025
source_quality: curated_snapshot
tier: free
generated_at: 2026-08-11
---

# Shipping Chokepoints
_Two chokepoints, two very different causes_

> Deepstory Research context file · **Free tier** · <https://deepstoryresearch.com/data/shipping-chokepoints>
> Self-contained AI briefing. Drop into an LLM window or RAG pipeline.

## AI research use contract

- Treat this file as source-grounded context, not a live database. Quote `source_ref` and `data_as_of` when using numbers.
- Separate `FACT`, `ESTIMATE`, `FORECAST`, `TARGET`, and `INFERENCE`. If a row basis is unclear, say it is unclear.
- Prefer T1/T2 sources for hard facts; use T3/T4 sources as context that should be checked before money, legal, medical, operational, or policy decisions.
- Keep answer structure clean: first say what the data says, then what you infer, then what would change the conclusion.

## Research upgrade checklist

- Separate security-driven disruption from physical constraint; the two resolve on different timescales.
- Note which traffic measure is used — transits, tonnage, and container-ship transits fell by different amounts.
- Track whether a disruption has eased; the Panama restriction has.
- Add a prompt on freight rates and insurance premia, which are the transmission channel into prices.

## TL;DR — index summary

Sustained Houthi attacks from December 2023 drove Suez ship transits down 39% and freight tonnage down 45%, with weekly container-ship transits down 67%. Separately, drought forced the Panama Canal to cut daily transits from 36 to 22 — a physical constraint, not a security one, and it has since eased.

## What this index covers

Two series: the Suez traffic decline by measure, and Panama Canal daily transit limits.

**Series in this index:**

- `suez_decline` — How far Suez activity fell, by measure.
- `panama_transits` — Permitted daily vessel transits during the drought restrictions.

**Entities tracked:** Suez Canal, Panama Canal Authority, container lines.

## Key findings

- Suez ship transits -39%, freight tonnage -45% after December 2023 (unctad-chokepoints).
- Weekly container-ship transits fell 67% — the hardest hit segment (unctad-navigating).
- Panama cut daily transits from a normal 36 to 22, with plans for 18 (imf-red-sea).
- Panama transits were up 25% year on year between October 2024 and January 2025 (unctad-navigating).

## Evidence basis map

The free tables above show `source_ref` but not the row-level `value_basis`. This section mirrors the visible rows only, so AI tools can separate observed values from estimates, forecasts, targets, and derived values.

| series | row | source_ref | value_basis |
| --- | --- | --- | --- |
| suez_decline | measure=Ship transits; pct_decline=39 | unctad-chokepoints | Ships transiting the Suez Canal fell 39% following the Dec 2023 Red Sea attacks |
| suez_decline | measure=Freight tonnage; pct_decline=45 | unctad-chokepoints | Freight tonnage through Suez fell 45% |
| suez_decline | measure=Weekly container transits; pct_decline=67 | unctad-navigating | Weekly container-ship transits through Suez fell 67% |
| suez_decline | measure=Daily transits vs peak (Oct 2024); pct_decline=57 | imf-red-sea | October 2024 daily Suez transits 57% below their previous peak, 55% lower than a year earlier |
| panama_transits | stage=Normal capacity; transits=36 | unctad-chokepoints | Panama Canal normal average of 36 daily transits |
| panama_transits | stage=Drought restriction; transits=22 | unctad-chokepoints | Panama Canal Authority reduced daily transits to 22 during the drought |
| panama_transits | stage=Planned further cut; transits=18 | unctad-chokepoints | Planned further reduction to 18 transits per day |

## The series (per-chart briefings)

### Suez decline — hbar
**Direct answer:** How far Suez activity fell, by measure.
**Time bracket:** post-Dec 2023

| measure | pct_decline | source_ref |
| --- | --- | --- |
| Ship transits | 39 | unctad-chokepoints |
| Freight tonnage | 45 | unctad-chokepoints |
| Weekly container transits | 67 | unctad-navigating |
| Daily transits vs peak (Oct 2024) | 57 | imf-red-sea |

**Read:** Container shipping rerouted fastest because it is the most schedule-sensitive.

### Panama transits — hbar
**Direct answer:** Permitted daily vessel transits during the drought restrictions.
**Time bracket:** 2023–2024

| stage | transits | source_ref |
| --- | --- | --- |
| Normal capacity | 36 | unctad-chokepoints |
| Drought restriction | 22 | unctad-chokepoints |
| Planned further cut | 18 | unctad-chokepoints |

**Read:** A physical constraint, and it has since eased.

## Cross-series synthesis — why this matters

Putting a security disruption and a climate disruption on one page shows that the shipping system's two simultaneous 2024 constraints had almost nothing in common except their effect. Security disruption persists as long as the threat does; drought resolves with rainfall — and it did, with Panama transits up 25% year on year by early 2025 while Suez remained depressed.

The 67% container-transit fall against a 39% overall transit fall is the sharpest signal here: the segment with the tightest schedules absorbed the most disruption, which is why consumer-goods supply chains felt this more than bulk commodities did.

## Entities & relationships

| Entity | What they do | Key stat | Relationship |
| --- | --- | --- | --- |
| Suez Canal | Security-disrupted chokepoint | -39% transits, -67% container transits | Disruption persists with the threat |
| Panama Canal Authority | Physically constrained chokepoint | 36 → 22 daily transits | Eased with rainfall |

## Timeline of key events & decisions

- **Dec 2023** — Red Sea attacks begin → the start of the Suez decline
- **2023–2024** — Panama drought cuts Lake Gatun levels and daily transits → the simultaneous physical constraint
- **Oct 2024 – Jan 2025** — Panama transits +25% year on year → the physical constraint resolves

## Cross-industry ripple

- **Retail and consumer goods:** Container rerouting lengthens lead times for the most schedule-sensitive cargo. _(inference)_
- **Marine insurance:** War-risk premia are the immediate pricing channel for security disruption. _(inference)_
- **Energy:** Rerouting adds tonne-miles and bunker demand, affecting the fuel balance in us-oil-gas. _(inference)_
- **Autos:** Vehicle-carrier routing interacts with the export volumes in china-auto-exports. _(inference)_

## Non-obvious reads (interpretation)

_This section is interpretation, not sourced fact — each item names the observation it is built on and a confidence level._

- **Observation:** Container transits fell nearly twice as far as overall transits.
  **Read:** Aggregate chokepoint statistics understate the disruption to the segments that matter most for consumer prices, because bulk and tanker traffic — less schedule-sensitive — kept transiting and held the average up. _(confidence: high)_

## Glossary / key terms

- **Transit** — A single vessel passage through the canal.
- **Chokepoint** — A narrow route through which a disproportionate share of trade passes.
- **Lake Gatun** — The freshwater lake supplying the Panama Canal locks. Its level constrains transits.

## How to use this with AI

Paste this file into an LLM context window (or a RAG store) and ask cross-series questions. The tables carry a `source_ref` per row; the source registry below maps each ref to a named source and a trust tier.

### Suggested prompts (multi-series)

```text
Using suez_decline, explain why container shipping absorbed the most disruption.
```

```text
Contrast the resolution paths of a security constraint and a climate constraint using both series.
```

## Sources & trust

| ref | source | trust tier | url |
| --- | --- | --- | --- |
| unctad-chokepoints | UNCTAD — Suez and Panama Canal disruptions threaten global trade and development | T3 · Reputable press / research org / OWID | https://unctad.org/news/suez-and-panama-canal-disruptions-threaten-global-trade-and-development |
| unctad-navigating | UNCTAD rapid assessment — Navigating troubled waters: Red Sea, Black Sea and Panama Canal | T3 · Reputable press / research org / OWID | https://www.preventionweb.net/news/navigating-troubled-waters-impact-global-trade-disruption-shipping-routes-red-sea-black-sea |
| imf-red-sea | IMF — Red Sea attacks disrupt global trade | T1 · Government / regulator / central bank | https://www.imf.org/Blogs/Articles/2024/03/07/Red-Sea-Attacks-Disrupt-Global-Trade |

## Caveats & what this index cannot answer

- Freight rates or insurance premia.
- Current transit levels — these are the disruption-period figures.
- Cargo-value or commodity-mix effects.
- Estimates and forward targets are labelled in the working dataset; never read a labelled estimate or forecast as a settled figure.
- This is an observational data index, not investment, legal, or medical advice.

## Data freshness & methodology

- **Last updated:** 2026-08-11
- **Data as of:** 2025
- **What changed most recently:** Panama transits recovered 25% year on year between October 2024 and January 2025 while Suez remained depressed.

**Methodology (as seeded):**

> Two simultaneous disruptions with completely different causes, shown
> separately because they are not comparable. The Suez collapse is a
> SECURITY event — sustained attacks on shipping from December 2023
> made the route unacceptably risky. The Panama restriction is a
> PHYSICAL one — drought lowered the lake feeding the lock system, so
> the canal could not supply water for a full transit schedule.
> 
> The Suez figures are percentage declines against differing baselines
> (some against the pre-attack level, the October 2024 reading against
> the previous peak). Each bar’s value_basis states which. They should
> not be read as a single time series.
> 
> Panama transit numbers are PERMITTED daily transits set by the Canal
> Authority, not observed traffic — a capacity ceiling rather than a
> count. The 18-per-day figure was a planned further reduction.
> 
> CAVEAT: both situations have since partly eased. Panama transits rose
> 25% between October 2024 and January 2025 versus the year before.
> These charts capture the depth of the disruption, not current state.
> 
> Re-verified 2026-08-10.

---

_Free tier. The full row-level dataset and per-source detail live on the live page and in the working file. Canonical: <https://deepstoryresearch.com/data/shipping-chokepoints>. Deepstory Research · https://deepstoryresearch.com_