In 2025, delegations comprised of 321 international dignitaries representing 83 countries, dependencies, and areas of special sovereignty made official visits to the California State Senate, ranked by number of visitors, they are as follows:
| JAPAN | 55 | BENIN | 1 |
| PAKISTAN | 25 | BRAZIL | 1 |
| GERMANY | 23 | BULGARIA | 1 |
| VIETNAM | 15 | BURKINA FASO | 1 |
| INDONESIA | 12 | BURMA | 1 |
| POLAND | 12 | BURUNDI | 1 |
| CHINA | 11 | CAMEROON | 1 |
| INDIA | 11 | COLOMBIA | 1 |
| MEXICO | 11 | COSTA RICA | 1 |
| TURKEY | 10 | CURACAO | 1 |
| THAILAND | 9 | DEMOCRATIC REPUBLIC OF CONGO | 1 |
| EUROPEAN UNION | 7 | DENMARK | 1 |
| CANADA | 6 | DJIBOUTI | 1 |
| FRANCE | 6 | EGYPT | 1 |
| SWEDEN | 6 | GRENADA | 1 |
| NIGERIA | 5 | GUYANA | 1 |
| FINLAND | 4 | JORDAN | 1 |
| KOSOVO, REPUBLIC OF | 4 | KENYA | 1 |
| SOUTH AFRICA | 4 | KUWAIT | 1 |
| LATVIA | 3 | LEBANON | 1 |
| PORTUGAL | 3 | MALAYSIA | 1 |
| ANGOLA | 2 | MALI | 1 |
| AUSTRALIA | 2 | MOLDOVA | 1 |
| BOLIVIA | 2 | MOROCCO | 1 |
| BOSNIA AND HERZEGOVINA | 2 | NORTH MACEDONIA | 1 |
| CAMBODIA | 2 | NORWAY | 1 |
| CZECH REPUBLIC | 2 | PERU | 1 |
| ECUADOR | 2 | SAUDI ARABIA | 1 |
| GHANA | 2 | SENEGAL | 1 |
| MACEDONIA | 2 | SERBIA | 1 |
| MALAWI | 2 | SIERRA LEONE | 1 |
| MAURITANIA | 2 | SINGAPORE | 1 |
| MOZAMBIQUE | 2 | SLOVAKIA | 1 |
| NAMIBIA | 2 | SRI LANKA | 1 |
| PANAMA | 2 | TUNISIA | 1 |
| ROMANIA | 2 | TUVALU | 1 |
| TANZANIA | 2 | UGANDA | 1 |
| UKRAINE | 2 | UKRAINE | 1 |
| ARGENTINA | 1 | UNITED KINGDOM | 1 |
| ARMENIA | 1 | UZBEKISTAN | 1 |
| BAHRAIN | 1 | ZAMBIA | 1 |
| BANGLADESH | 1 |
The delegations studied a wide range of subjects, which are ranked below according to the number of visitors who studied them:
| SUBJECT | # VISITORS | SUBJECT | # VISITORS |
| CA History VIP Tour | 152 | Environment | 17 |
| Legislative/Government | 58 | Energy | 16 |
| Media Relations | 25 | International Trade/Economic Development | 11 |
| High Tech | 23 | International Relations/ Protocol | 6 |
| | | Immigration | 4 |
Note: As some delegations studied more than one subject, the subject area numbers will not coincide with the number of visitors.