In 2000, delegations comprised of 688 international dignitaries representing 66 countries made official visits to the California Senate. The countries, ranked by number of visitors, were as follows: | |||
| COUNTRY | # VISITORS | COUNTRY | # VISITORS |
| CHINA | 126 | AUSTRALIA | 2 |
| JAPAN | 82 | BANGLADESH | 2 |
| MEXICO | 63 | CHILE | 2 |
| RUSSIA | 42 | CROATIA | 2 |
| GERMANY | 40 | FINLAND | 2 |
| NIGERIA | 38 | GHANA | 2 |
| SOUTH KOREA | 25 | GREECE | 2 |
| ITALY | 24 | NETHERLANDS | 2 |
| NORWAY | 21 | ROMANIA | 2 |
| SPAIN | 20 | SWITZERLAND | 2 |
| FRANCE | 15 | ARGENTINA | 2 |
| EGYPT | 12 | BELGIUM | 1 |
| SOUTH AFRICA | 12 | BOSNIA HERZEGOVINA | 1 |
| BRAZIL | 11 | BOTSWANA | 1 |
| PORTUGAL | 11 | BULGARIA | 1 |
| UZBEKISTAN | 11 | CAMBODIA | 1 |
| ALBANIA | 8 | CANADA | 1 |
| MICRONESIA | 8 | COLOMBIA | 1 |
| UNITED KINGDOM | 8 | DENMARK | 1 |
| YUGOSLAVIA | 7 | INDIA | 1 |
| ARMENIA | 6 | ISRAEL | 1 |
| CAPE VERDE | 6 | JORDAN | 1 |
| EL SALVADOR | 6 | KENYA | 1 |
| PHILIPPINES | 6 | LEBANON | 1 |
| NICARAGUA | 6 | MACEDONIA | 1 |
| BOLIVIA | 5 | MALAYASIA | 1 |
| GUATEMALA | 5 | MALI | 1 |
| HONDURAS | 5 | PERU | 1 |
| SWEDEN | 4 | SINGAPORE | 1 |
| AUSTRIA | 3 | SLOVENIA | 1 |
| NEW ZEALAND | 3 | TURKEY | 1 |
| POLAND | 3 | URUGUAY | 1 |
| THAILAND | 3 | ZIMBABWE | 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 |
| protocol/international relations | 362 | social/health issues | 53 |
| government/legislative process | 187 | judiciary | 18 |
| budget/finance | 84 | death penalty | 8 |
| technology | 63 | immigration | 6 |
| international trade | 62 | energy/environment | 6 |
| education | 61 | gender | 1 |
| agriculture | 53 | ||
Note: As some delegations studied more than one subject, the subject area numbers will not coincide with the number of visitors.