Error code:   ConfigNamesError
Exception:    AttributeError
Message:      'str' object has no attribute 'items'
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/dataset/config_names.py", line 67, in compute_config_names_response
                  config_names = get_dataset_config_names(
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/inspect.py", line 161, in get_dataset_config_names
                  dataset_module = dataset_module_factory(
                                   ^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/load.py", line 1207, in dataset_module_factory
                  raise e1 from None
                File "/usr/local/lib/python3.12/site-packages/datasets/load.py", line 1182, in dataset_module_factory
                  ).get_module()
                    ^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/load.py", line 690, in get_module
                  config_name: DatasetInfo.from_dict(dataset_info_dict)
                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/info.py", line 284, in from_dict
                  return cls(**{k: v for k, v in dataset_info_dict.items() if k in field_names})
                                                 ^^^^^^^^^^^^^^^^^^^^^^^
              AttributeError: 'str' object has no attribute 'items'

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Belgium Consumer Email List — Market Intelligence Dataset

4,300,000 verified Belgium contacts are available from LeadsBlue →. This open dataset provides the aggregate market intelligence behind that database — contact volume, benchmark open/reply rates, send timing, and compliance for the Belgium segment.

At a glance: Market-intelligence reference data for the Belgium Consumer Email List audience — population scale, decision-maker structure, channel benchmarks, and compliance notes drawn from LeadsBlue's B2B data operations.

Key figures

Metric	Value
Verified contacts in segment	4,300,000
Typical email open rate	15-22%
Typical email reply rate	2.5-5.5%
Best send days	Tuesday, Wednesday, Thursday
Best send time (local)	09:00-11:00 CET
Geography	Belgium
Industry verticals benchmarked	14
License	CC BY 4.0

📥 Get the full Belgium Consumer Email List — individual verified business records, ready to use: Download from LeadsBlue →

Market overview

Consumer (B2C) segment. Belgium is a small country with outsized strategic importance — Brussels hosts the headquarters of the European Union, NATO, and over 1,400 international organisations and NGOs, making it one of the most important political and institutional B2B markets in the world. Antwerp is Europe's 2nd largest port and the global centre of the diamond trade; Ghent and Liège are significant industrial cities. The Belgian business community is trilingual (Dutch-speaking Flanders, French-speaking Wallonia, German-speaking East Cantons) and highly internationally oriented given its geographically central position in the EU.

Primary business hubs: Brussels, Antwerp, Ghent, Liège, Bruges.

Outreach benchmarks & strategy

Belgian B2B cold email requires language awareness — Dutch for Flemish companies, French for Wallonian companies, and English for Brussels-based EU institutions and multinationals. English is widely understood in business contexts across all regions. Belgian executives are pragmatic and process-oriented; emails that are clear, structured, and reference compliance or regulatory context (particularly relevant given the EU institutional context) perform well. The EU institutional sector in Brussels has highly specific procurement processes — direct cold email to EU officials is less effective than participating in formal tender processes.

Files in this dataset

File	Contents
`data/market_overview.csv`	Segment-level metrics: contact volume, benchmark rates, send timing
`data/industry_benchmarks.csv`	Open/reply benchmarks across 14 industry verticals
`data/compliance.csv`	Regulatory framework, business culture, decision-maker profile, hubs

Methodology

All numbers are segment-level aggregates from LeadsBlue's data operations and public baselines. The dataset is intentionally aggregate-only and contains no personally identifiable information.

How to cite

LeadsBlue Research. (2026). Belgium Consumer Email List — Market Intelligence Dataset. Derived from the B2B Cold Email Benchmark Report 2026 (https://doi.org/10.5281/zenodo.20136256). CC BY 4.0. Source: https://leadsblue.com

@dataset{leadsblue_belgium_consumer_dataset_2026,
  author    = {Johnson, Luther},
  title     = {Belgium Consumer Email List -- Market Intelligence Dataset},
  year      = {2026},
  publisher = {LeadsBlue Research},
  doi       = {10.5281/zenodo.20136256},
  url       = {https://leadsblue.com/leads/belgium-consumer-email-database/}
}

Source & full dataset

This aggregate dataset is published by LeadsBlue Research. The full verified consumer email list — with individual business contact records — is available at Belgium Consumer Email List.

Related resources: Benchmark report (Zenodo) · Research hub · Interactive tools

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